diff --git a/.gitattributes b/.gitattributes
index 8c65e7ea1be9b6f604ee1c3fa7ef50a64aebdf9a..0065b1b573d985813b98e3c29018cef6be4e7758 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -2653,3 +2653,213 @@ benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.pl.pdf filter=lfs diff=lfs
 benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.ro.pdf filter=lfs diff=lfs merge=lfs -text
 benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.ru.pdf filter=lfs diff=lfs merge=lfs -text
 benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-gb.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-us.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.en-gb.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.us.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-i-1-slide.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bn.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bn.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.bn.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2016/iol-2016-team-sol.m.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hy.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ko.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hy.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.kr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.kr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.es.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hy.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.kr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh-tr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-i-5-slide.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.da.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.de.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fi.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ko.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.uk.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zh.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zt.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bg.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.cs.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.da.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.de.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.en.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.et.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fi.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fr.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.hu.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ja.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ko.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.lv.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.nl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.pl.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ro.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ru.pdf filter=lfs diff=lfs merge=lfs -text
+benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.sl.pdf filter=lfs diff=lfs merge=lfs -text
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.sv.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3674418b0a7ad64653c362c4f910d62bbaede792
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d823dffa8fc4bcc7bdc1bbf9db3bd9434488903de80f8882e0852483a239267f
+size 1502186
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..541278d6dcd38462088b2c2ba4ec351d11889ee0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fb66c0471e25befe00935bece86b2a9542c1d9d60f655e6e8eb50aa31903086
+size 1501467
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.uk.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ded2c594967a884eefa7704f81c7e80d00134300
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:15b1fc2b6b174e003fd269e4c293c55c9d041b06e73d66a1dfce0e684dbf732c
+size 1531719
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh-tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8b83b78908c3b4017b4e436e59964f0ef3060543
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7d18eef8dca0bd76f32bd53f98268aee6085945378bc8f3a691e140f8389430
+size 1650322
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7bb2e146fcb16f144cf5627c4f98afc1c1d4f61a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bd6150c0b0bf876624f64f6918996a1bd1280e88c69ae312d0e52bbce5420f1c
+size 1636271
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.bg.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..267ed332e67dde81ffd7a327b7881ac4ac887a1d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6e28aea13abc73b85183bf1e5d9f6a826030c7a12b9e20281033aa0daec2c048
+size 134131
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.cs.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5df90d0af47bad7b999b9b7237827b8aea262cd1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4ab064fa8f28cc96ed4c3342acef7ef204f2a86d36fba8ca04b9a36ca198ba16
+size 103994
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-gb.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-gb.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fcc7ffca256a21782a3eea68a82830c3c1f3dd9d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-gb.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:259b33535219cc6ac7f3281ed7821060ceb4f53a0a68e6704db0a0554cfa8a29
+size 101686
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-us.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-us.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..54353011ac8b7c0d1a220cc10869f0b84d80ba7a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.en-us.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a512ae188425ac41aaf38e21f1583951ce687d7be2f1899bbeb59f8e243adc01
+size 101734
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.es.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f2f89a8cc444424a4d5784268b5a46f11b251727
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8882d883030fbd030fe51c3864e62981be4748ce7f4df6bc718a55b81652eae
+size 103132
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.et.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7cb3106cf084feaba7dad2f9f910d2596e5b5a07
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7c1c348e3d47fa75566402ca6152686f2c6f47362a5292198d912e015c60a7c
+size 102249
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.fr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3210b16faa654694da860dd7b90dde90c0cb85cf
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4569c1f1b4d29689957aeb48976ae8e64947e00eddc18c8982b05d812f389fe
+size 104438
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.hu.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..73ef2b704fd6879e34d0112f1eded148c952d764
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f659de43bc7746953850e02aa20ada8bf87711fb1249f8623edc96e7ec051b25
+size 103383
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ja.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ed87f7f7c9ddfc7b42c0dd3ba5438c0be9615928
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63de742d12e5eba73e0a9bd8aeb82ce0edad6d1b574cac65b4ac70eaac57ea0b
+size 256002
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.lv.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..6218635b1f9d779583efa734450d2a1fd3cd3b3b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f74d6de89ebd0beceaf8d68e6783464642d62d6bb2198c91b2808f07785ac02
+size 101933
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.nl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ea11da2d091ff397f584087157593cd2dfc3c039
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:117584524d609e65741b73653295f8ab9833b08f34522a7f9a911391ac2dcb80
+size 103004
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.pl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..daa5bf8bf44f6473c1a4a6eaf1d34549c340ffeb
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fbd066fdaa389abd565590def3250eba78183beb774d521ee81800366d5ea5f4
+size 104835
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ro.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9169af96c2575356a6e92b3e776f2ece58160697
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a6f25452cbb4ceefe672e39dd70c140290b25830dc8406d7e5680fee9a812c1
+size 104806
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ru.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..49c2891dc3947600375a504da339f080f4dd1cd9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d6527bc083e9736a3b4fb064e77f1722638ef92173c37c9a6b20f5cbbbdc128
+size 136756
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5eef7178a34b72393bb4a178003f82702171d7d9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a2d6e127221acb777574b4e9bfc64f3817710720093c7ec40e93962e5c7581d
+size 101622
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sv.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2f5232f9175629089dee74f96949a9bdf38d4479
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:460404eb9708d6d532b57ee962de41a83e3e83f563053ad79d8fff25e954a65a
+size 102397
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..15553a57acd210532118a6abcfd19a2351f19e4c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b79e9fbe19d371226b3943f49d07172c1cb7ea11ba4c2787a1c65b22b7710c83
+size 101861
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.uk.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2aff04256f14367ff4d203a1cbd5e95f181894b9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19480e6e6ab325e8c3729e8c394ccadf4176924822065fe6a1aee94efa32ebcb
+size 136186
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh-tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..18c426f9a52edf80e128c1b8ff80d11635c85d32
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:575435efe93d477b2d563c4563dc0b4872c37c369b337a408f2795db9dba6e10
+size 250371
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..967146edc64d9217219b7cf0959dca42417ba12c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-indiv-sol.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94d7f2c05376cd4ae97a7061f67ffac6ef3f7bc21fb2786acc49e8308a679022
+size 236170
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.ja.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..32b86071d797417e69165a8b53a39e3dbe17e193
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7a547dc9dedff3bf5ec27b38f0d66d00afa20fac76a564474387590b4e9cac91
+size 225561
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh-tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4e1d1eaf8cf87549405a493fc4ddc804f0bf608c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69bd64543fbe18fce27068bb5a2acbc13bb445bb28c92aa6ecbc77811eeb7d45
+size 219819
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..36547add3fb4b2c5a42fd5a267da0a732032f04c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d56aa967666bdfc730a4142a66048a200e17beff181f70d25c122ba87b558f8
+size 205662
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.bg.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..20873604fc5a943d84be53228d3506bf1446aad4
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:05e25cff038981dedb135a03af4172052bcacced3cb3e448017c949d9d1ab48f
+size 207230
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.cs.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..07e8cb5378f6ce3ecaa6e99cfb684ef749ee4ceb
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb15a2f083675f10e961a0caf01343a519c59763138fc41d823515272108e45d
+size 200957
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.en-gb.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.en-gb.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..af27252945779139b1ac35c4ca96fe48e738801f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.en-gb.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d764a52fdf92cc9fad07073f5f525e6041c54383bd9580fd66f729f23c4453b2
+size 198885
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.es.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5da5155cb2e6161f1f1058d8f6fedd8045d91d1c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8aa010e3cb5cf6d38f3ecca3404ba3eea066c1614130136283522b749b81e8c8
+size 200012
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.et.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fdabaeac75c8db287b7fe24b3fa86a2d3969d7a7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ba06d4e961624519e6845a3b0f241ec97eb7a5d59114cefe97e3fc060cd01fc
+size 199369
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.fr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b7a4e5a1540ae492006ace23ec5405321fcb9882
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:014c9308f1d933b20b33bc7983bd7a954693a069d1a3676638d1e2deb8e11517
+size 201327
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.hu.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..311d71f84095464d51cd9bec8ce551756a980671
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b420bed899fd5284c06f8174f0f6695a045f4c9326e921cdf667a863e0b3d38
+size 200398
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ja.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..16df0ee17a3d0e75d610644034166cb8d7da503a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2cb2ac7188a2b08b0079538d8bf40947abd86fef742b49028ac5bdf1a77a73cb
+size 320735
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.lv.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0bc0144efd6661376a1e8eb55bd5ab18c801559e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a141051d941b7747dbb849033c1a3f3c2d4fe8e5a47b3661cca94ac95803e137
+size 198886
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.nl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..97635bd2828f6011adf219c5c4566b681e2bc632
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:375cae5612181a679594e4417e96a11bba8d71f1916d760f5bdfdd963496655f
+size 199756
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.pl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ad27fd2c88549e596432a81827c8576e6bd8c1e9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:678a4dfaa63da63024bc01f6d8ede009c812fe4100600384734f34dc6cd6e87d
+size 201784
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ro.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bda89615f58b79beaffdb01559bb5cf3a34eab6c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:61f189cc65c3b5d544c0b4245e1a7797abeee4d317be1c5cb1e6a913ca2e7688
+size 201666
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ru.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d0bcdf04fd39102bf1b8c0a365fca63afccbc0e1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e009a3dbb6122261df74a10c6eb245f927c38b659faadca8592c51e6f810655d
+size 209788
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sl.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bbeb71a268a7dbc40f9bd8d86c725f2871097be0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eea8fdaef847159df62e04e677211041e36f4fbdcb4f9342611d59be0c31cd29
+size 198791
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sv.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8074c0c7d0ffb5414c8d0fd62295a6f1d5377b14
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f88687d953b9d1c9ab74e8f2a30d0ade1f9d005dfca6436fe820ca48ad14415e
+size 199563
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3b50a48878167d28b98062a2b3c00f5647bca471
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c28c7bb3b3ee3015a33e7fdd00873a939d74963a3d9a1bb96bfd569eae562cb3
+size 199164
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.uk.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a28163a70675393fda1557875862573b8d101de2
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a741c2669ae94a64e973562ee54f4b78f3c533695a21bb4814cc2ade5788b17e
+size 209538
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.us.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.us.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c734b0d4690a80b1439182d0f91e2d9ec9b03356
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.us.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a17ddf484a0143da4f5c30a46c859d6ea79b3ef7b18e261be20b7c053d4efc1f
+size 198937
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh-tr.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..41ae1b022dfd4518e61cd14b9702dd9c69d39d2e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1b712cefe95fd0bbfd7a737ea9264e18467e0ca0eef0c70f588a0adf5c197621
+size 318740
diff --git a/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh.pdf b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ecfb65670b7796157d46937d3adcc266a46be4a2
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2015/iol-2015-team-sol.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d48c04c2b6d6d2d924bacc1585aa6a55b07462595d1130a81fc05e55c0bfbee
+size 300285
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-i-1-slide.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-i-1-slide.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..050e403ca765ac5835b38c2403caf394b2e7204d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-i-1-slide.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1647ecd9ca352ccf72eb62eb41a280d3d9010b8f25ea9c30ed019938e2a659f
+size 1408338
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bg.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..72703565a6145e7596ce19a0a7d5faac9d0609b8
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4508bfb39b8d6db5a8e5a6c44f17ac55b2456b7259a62d050f9256d460275440
+size 156806
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bn.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bn.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5f6debc14e3c388c03b5a2957e048fba0be6f140
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.bn.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8a2269bee9f52be367682316fad03dd40ae4e98fef56bcee8e05dc4476e8f67
+size 183781
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.cs.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..36bf9f0c3678111c6c00b6a27b013bf55cb827c8
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3fdd64fc8768de362d3a424d5e33b8dec1cc5be643fc420cb03ffcda39b3549
+size 137822
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.en.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..53d3aee7f847110b389f3f138d53ffb2657d59c3
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0eb32f38912ab66d7bdab2f597b5b9d9fb6dd80709770e8ddd01c8b7aed81bd4
+size 134834
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.es.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..41c94926894e40d5d7f82d9a6fb0c0f32137ac65
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d71b7df3156740c577bd4fb9684beb35256146b9e4826497e6589a60661787a9
+size 144158
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.et.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..485aab3a36973c42991dcfe2b46b50cfebe1a823
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d08b08a94941e7fc07584c8efe83a1fa46280b16535ed9b8b7b490c285d51537
+size 142127
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.hu.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9031a815660163f9bac708e2fa6f4a468c3c16bf
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ef62d50384541a33881c0f7ff0ee0e7381e6861f53dafbe3dbb0bdcc66efa7f
+size 136109
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ja.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2a8da964cb7a5a942f9d1742895aced68db3cc84
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:16fb9414ae2c013c13a4202bdb885a210418e993d2ea640e45f15ea1df4c5324
+size 281560
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.nl.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5448f4b12e640fdec43d3748dcf2c3746023ecee
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99a61156ec126501d1d7ecf29f6c18075d1bc91de03e72ba921f3506345c78a4
+size 142364
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pl.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..56ba961ed8c26bfb403175ed4a2ea63ff584aa83
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94ccc529be99895574ca521784ba2b41e459e242a93cd1740574e15784396272
+size 147594
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pt.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c2db196f594c18a336e2a3fc4ce1f7b14175e84f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.pt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6b2ee98fb265f2874d14b79a15eb38778e834ec3a77a89d4a450c9e05135ed2
+size 136406
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ro.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..822b1ad13744028bd35d76ffb6231f8d85909103
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a7a121ee835fc765e1d398157c64ed37523aef2fda63b1a84c474005bc2485d
+size 136015
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ru.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..552ae92c8b63407c0cf02b7568fe005c91d3f307
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68b2db8b9da780267d7f3cf6098a382b84cea112890883304f5e34fc56f8e006
+size 161461
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sl.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7831ec3599598f69cf99392f0fb461901b39bd70
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:691f5f9d211325f85421c1d0923b4f10bfc7564e5afd6bfbd59ca7381c6ad0eb
+size 133063
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sv.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..da23bf0b4a3f8dca5d454df7c6534e42c600ee53
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae5262f275304738cfbccdaf5f2b12ae4194fd8ca17049f83a5326bf6be00bfd
+size 135619
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.tr.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..23bc61f86fa2cbef3d6f036e2e6bbf835e93acbc
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a1eb2c804dd9c1baabe85b779e2b7fea06d8b734f426e98313560b55254d99c
+size 141702
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.uk.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..079242d979e142164046b31db241121934b9b1da
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:576e8ce837dd20b62fd5d07f689e257be80049cba9d8a883ed0ac55c12df3931
+size 161295
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.zh.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..465b33f8fe88fe97392a4f3154ad1e1f12a956e2
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aaa178626016a88b8ef589100ae23c2813ad16d87b39bc8580b94e42142a3107
+size 252621
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bg.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2624bf82612809987f007651c9dfa0fd016ce460
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d93fa02cd773a4bef84109ab36423d7b96c816f62113cbc286910bf5f2fff71
+size 121455
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bn.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bn.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2c2551ab03f3e7935491615d01fc3b69753d1688
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.bn.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53e15ad95134492de7fe807ec98f64206db06c0dc91b8bb4dce3c5a022306235
+size 148348
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.cs.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..40534f75420e7a2d6f07d96f00efad9e1f00ae9c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ded284e0502f48fef1352d00f27426e10469fc7432548b564c8c5cbf91ce9768
+size 100367
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.es.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ab18b7d1b71dc77539db00349d02cdbfddf30d56
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:97a94bf5304d90c5a4ca4d4791a3075e6d6cbacff7e1c309c6f3d7502f469f99
+size 107155
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.et.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8de75caba7454f5946d58b70d0fa3d9fa5ab1682
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:356f058482eb35dab6ed7263564062847df13f01cc8fffa4382a83ab814b0dfa
+size 105216
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ja.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f30844fc4519d9739bc03166a12fafc77639180e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5f47942f449668d41ee0b2064ee1a65149a7a9c681efc8a19e5c4362802b67d8
+size 245704
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.nl.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8bbbc122d9f1ed29202c17bdb99e3a4540fac200
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0755b855b8c685883518b096c308bd331369c6238164128e0228f26d3cbb3ef
+size 105310
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.pl.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..eb25eca0b2c28395cc9ee6837dc0e73c7b3360d0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b1899304c341b95c0b7ce7424fdd37841196c84d09278305fbf84d228ed4b5d5
+size 110510
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ru.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..04d2590edd3babdbd6b441643cb7832f03467445
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f9f8d00cc770c1dde1d749f774237676f5c7b87a6e0d932dd91404604813d61
+size 125904
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.tr.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d4667fb6983ff17d879853c0e79c06dffc038821
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e58fd9a56cb798bc79fc46976b2b058075d40d0fa54658866073126217395418
+size 111956
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.uk.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..21d34e7f491c1575c9dba4fc7a543fe961d11611
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5d2bdc358aa95a39f8e8bf8afe82ed51da794133e005777eca282383f983a874
+size 125823
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.zh.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8917746cc02b50d616ae485f00669312b3c77973
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-indiv-sol.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00395408b453f37a095cd68cf226cb270103ef015fffb88f7ce496b9adebcf35
+size 217104
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.bn.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.bn.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7b3809c8ddf01d845e6c9f0a87e004e9f50bcd6b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.bn.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d06b2a0b0cd1514da3bfa60b3a011a3111f3f51ca36a404f72fb4882bd2670b3
+size 111895
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.ja.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a9db55b8858d283438558df08331681d118f35fc
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1c3d8975df55e348672b1e48efdc753877f7c3b51738c2399d1267eba2d8c900
+size 210437
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.zh.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b710e4f5e97c237b3e7aac6450f166a6ccd96889
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-team-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98a14bb91717da55be2d8e7ca15b3784c7ae6ff80f7b2ad2177be074cb182aa4
+size 177170
diff --git a/benchmark/IOL/official_pdfs/2016/iol-2016-team-sol.m.pdf b/benchmark/IOL/official_pdfs/2016/iol-2016-team-sol.m.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b0e6b49f8785bd084d651071fe963e13d3ce059f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2016/iol-2016-team-sol.m.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:77828f76cc41a2a84308f1be78513f9875dfe78768d39156d894fdb47615e453
+size 120904
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.bg.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f9ac4a3ff6f40eb034cad97cdd3caf569c431715
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f90af1367d7d010e8735444c6c6a61d645ecf8710d133c801a47c4a803f22235
+size 465012
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.cs.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fff1e9b7a40f0dc096f7409e470e237f6200db7a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6ed4aee51fa123202323ce66348e6976d0ac55e46b48f5bcaa15d4e6d79d29b
+size 447145
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.en.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..81962efcc43690f57e60c67fb4a213d05046379c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:db173abec6344056641773f214a6b7508499dc91dfa7deac87f006b15a4d96ab
+size 443901
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.es.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d7a3b3b831250d0e56ad9641014b62bacec3b4b7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a86bbb6f970ed809350535860a75ac8bb61af65ee29333315abaaba6707fe2c
+size 453705
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.et.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fc3194a2a0461a774c46e565aa3a845a4d34463b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:398b101d0ca118f5b19a34e91456c08511476ce904bfb2f4294a113e54fe1b9f
+size 449654
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.fr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5a9be4d41af82de6b7eb47fdf10e7589dd8c66af
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d6560d6b019f1765fff6590fc2d517cc64cdc530da0cc311f19931d029e1928b
+size 445357
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hu.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..126da11105efb129538c033b0585ff04a25f9bd0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:534a290fed24eb1dba03aa0b2bf46b504830d26e6f7d36f3447a841557f23429
+size 444266
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hy.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hy.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..6e11922a6492af43935d5bb6c5ec7c66a3e4f651
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.hy.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:494942bcf25b4b6b15efa4a4d3a9c78dcaabcc0d6535c030ca4520bae5784049
+size 473705
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ja.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e9ac7c9a7a69f220397397fe999434f1f51a96a0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0664e6d3632d1d80f2264edc718cf1f1b899f6328fc9c15152d9deeb6c877baf
+size 601199
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ko.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ko.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bcf7aa7b2a683ac7d6cbc2f1dcc32392d311954f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ko.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:991f4ad5910571987ec52e21b87ff618efd1030802778d7d74de020a5181d92e
+size 582328
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.lv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..55dc42ea06288d647d8c991a4bf24a1d3c61c2a6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d51eb83fd20703dfa5cf1a8f9c2cbe88482f533fa7833995cf15a636d19c6b83
+size 442525
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.nl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4a7054922c0b0c2ad84b39108945c963fbc33e8c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d299b69ebac3de50bfdd9236799d3a40a11524eafe4b310484d7ed469270aa2
+size 451377
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e06b1567288c834af3a3452af35e41c7867c651e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:400b4495a4282e63611d664bf15f23971accd9466d91f75fb3c16d03b22a72c8
+size 456061
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pt.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b7da45ed2a6a2477756f7bb3c6346cf02e9cfb46
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.pt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1fc574423de41bffe4941681fc1645dd0aa2994460640f48a063f84b2aee59d7
+size 446341
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ro.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..46e04c62d883f574244a974b18a36c3785aba1fc
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c5f3aaf9e117e03d7261c55156fd5d766e752783c4a60ebea49fe4b28615bd8
+size 445965
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ru.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7c44f28735b6934b17958e748a230fb721276a7b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b193b9557f29ae2a16b364cfc8cb1690bd25ee39c27c91f573609f737ee66bc5
+size 469816
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..467b340a8987059022c76b0ec88f36d0641e8113
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c90f907ea6a458a86ac558af4b0f35b9fa226cd8b8863db327a4a497d155606d
+size 442107
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fb8d6b3a6646b1b0d3af8e84a7caf23147fa0a50
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:60f3b904ca0524be21669d916e456766ed96c092cca83eb238beee2f9ba118bf
+size 445592
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c7ac55f60c5932b49dbefc5fcae75179feeefbf4
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fbbb48acc5e6370a9883ac8c03a2d977ddab8a5ab9b2715378035b6e5a0c366
+size 453604
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.uk.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3c9547adc29ffc74cb6a100d9e37c2e3c8c2ffe6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f8b0056cf980fac69ea547a3644713b7af1af192ca5d1ba1af3f61a178ee83ff
+size 467678
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh-tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7280a73cae38bbfc45dd3149178da1cf3baed501
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4216044d4334938867396e7b8b61417567948ce978a95cae7df683766247d6ae
+size 614059
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c405812434afd925341b255fd9304c85fecb2b90
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:604f886e1427b94425154df48eb3d35e0ec470c327d6c6682f37ae29bb9d770a
+size 602369
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.bg.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4c4db078a257f1af5103a01f3b3dbc2c5142b49c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2cc866e5ef48374c2d7b3c2b164e09a4c6ceed2655c841b23c9080bc1dee654a
+size 148946
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.cs.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e5823910c1492d75ef710a6622d2dbd19f113452
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2ffb031b552bb765b27f91be6f352561c209a37015919cded94f04518d728c95
+size 130726
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.en.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a95d239934a8992cef6298f0661dc8920ad453f9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be630e13b869c6e736b629b767cd8eebc62b4f2df869adfebfc8706cf72b85b8
+size 127595
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.es.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..0a064585288e63327aac1c49379b89a7fe16a981
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c50756facef850a66ebe6889795b63e483b65fcf60bfd95ee6327e89a651d248
+size 137442
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.et.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..85fe1c9cdf50dffd10efa8743f48fc3eca8e39d1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c41e2852b81e0d17b739a4fa60368646e35ada14dc117f427b155443ec7fae71
+size 133568
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.fr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..399c66713fdfc072b296aeae7f37ac01b8df4a0c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ede5aec502058a10b234b868460bd1fc9e9e52f1dbe20b99c85eb6894308db64
+size 129103
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hu.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f91b7cb72f769dd04ccda1a9fed45f31b4839985
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de50c52b3256bb6d5813070294bde0ef3a9f3ee8026264c6ee5e7a13fc710feb
+size 127857
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hy.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hy.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7a0844d30ae092c74202c8ca4145a0d98c488bfd
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.hy.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:23b02cc8fe3cc339e80ae4f62d59ca428a77438019c28e3d0e2f002bc29dd9f8
+size 173906
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ja.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d3c25737ebca9ca6d0cb339860060f057685e6e7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:698c915c704d162901cf18725a7a7fe247e78d55b17b1bd17088c718d17ef0a1
+size 284860
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.kr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.kr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a95ff3f307a5542a463651f8adc021dc48897877
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.kr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9521aa4315f7241611c0e970231b9c3283c50b04ba8e93c52bc946fbcc6cceba
+size 262947
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.lv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7ca1465a073bca867ee79f1bbc4de03f4649f606
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e69b6af43a130c7c8cc25f6238e120c092b523cebece213020132b838076194
+size 126502
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.nl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..04e88a43026968602f0ba991ec3914d7e576105e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1bb40d0d163a0ece0c484edd8e14e4003b8361069101525b4de2af3889d980a0
+size 135162
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a694323d20fadf0ea6aa99458a5174cb5672c36b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0f8aa97a7459dcdb54272031058024896a404d280ac3d675d6317ee457f067f9
+size 140074
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pt.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d1e3d99738b3b62a1447f0c4dc8d77c093331c51
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.pt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e9d498c1357898ecfa6cbfe29ab4ca397242f43f605e5e6362aee698bdc7280
+size 130217
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ro.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..778016cd816e25a7d77a2d590990ee9fd48ae6f2
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:773e81d6bbc6ae9d6cf490185c1115541f160d40a6012800b59fdc8b3cff97c2
+size 129677
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ru.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d5d9a7c4b1b9095970f00f1f72d4e118e69b10f4
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67576493851e803a542fe33bc0406a1d33b59d2723d7f8e38622be3db6b2a491
+size 153524
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..dd6ddca95f6722a14b77d6a1356e0e6205aab548
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:004239960abc4be6925cd0184fc8f3a8c1e422e901ce4361753d34671ca64acb
+size 126068
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b17b04b472dd4ad8857fcd185c73eb7c8667ed7e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7ffcac73a6fb9ec1fc47c2af8d1081604e7245557e32033591eeea9cc0904098
+size 129334
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9ce06ee2cf644db06af0b65b97f8e19b315d43c6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:94564c7d5cab3830c5e127162ae0bddc240c88d1d801e66d788e7a5e0e06f769
+size 137483
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.uk.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..84f11dd0f9cc23dfe4b912c2c1ae6483c7741c5a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fef4eeab8dd17589143c890e6c50a8fd884c179816d9139e027958973b06e75a
+size 151440
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh-tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5e981f3a25bf344798146d5865df9b9cecbedcbb
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12b81d7a2c21d451ee6ac45dab53974a2c104c9f82e403cc01dd51f110764979
+size 297912
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a83adae5fe7ab96e9eb7b71a752efcd698d57ef6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-indiv-sol.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c8cf17691bdb0475d88251752a11571f29bcf4113e7b8c7277b11fa101b60df1
+size 286244
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.bg.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..dffd87a95a903049d8e907f0b664827296c199b3
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2d0d630301683779aa85ff42c79b2b17c38b33f86cdd7ef8b6d9130b54c178cb
+size 2108251
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.cs.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d6258c27b622c8e99b2ca206f04109c9a95ac360
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54e0af1406346216f60934c45bffe7f1767bcf6c8656e082a1624c053d4fdfe1
+size 2101505
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.en.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7296554bcdda8e87d520fc59fdd0106360d80631
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fadec98495be3282049e806fb44eb652f3528585b35b41c1f8e265d46aac9c9c
+size 2098720
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.et.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1b34ffe0eb84b5b3c0a8c0ee9177b29be5ae93e0
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bbb515e0d681953a2167763c84c4984039c9b5f924eaf40556523fb36796ed9e
+size 2095160
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.fr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..08ee2d9d94346413e346ae4e7cd64a48b302dcc7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:685946f4c4cdd4f549422afcb88586c6c47b2e6cec8a981b784032e61e2ffbc1
+size 2099935
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.hu.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..74d84b284bdd4ea4d765be3fe5e40bb4c2419c1e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3036e3959bcf4ff4f6ab73c3b08e7b89ea92074c7d5079f737fdacaf380f23da
+size 2098922
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ja.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..745d6dc15a3b352c526602de8dec0caf95589339
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dd5ff0c828f4c817b6b8f12a12b8564340364dcc1de9c3baf4e6cfec6fb2a984
+size 2244785
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.kr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.kr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bc8374457984ec07bfb8c39c45a7a85854cc7bae
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.kr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fa68597cda1ab480b57ca51c8dded35adc059b43660754a4c4d234012f3cf3b
+size 2224975
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.lv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ee2ba3bda220c194b909d759a3035b37a2c42f9b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6ea79308c7ec4b0c1c3ed9f7c2125f21dd11accd6d0be18f8bf6b4d55b3400bb
+size 2097407
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.nl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..813d725fe3f6df08c781ccbb22c47a90008c1ef7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4e9fd358ec7fe03577eb64c2facc0b9ee69b903fc4deee3714b266b241745bd
+size 2095848
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9d0e88c69ad5336a4e1bbc94f38c6b25bb501734
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a1b5b7f4473c88fab83547aa2c1ede3d573585edddec9ff04516968f5d8a626
+size 2099549
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pt.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2f74570755fe2752221ecf0d5bf74db21b036255
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.pt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c26f86d468009aeb4ffa025a4061cf7a7230f4a8d3d1b7c61f7c7a4141f7e6b
+size 2101032
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ro.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b5e80719d202a6f97701d26d5d682921ff5bc6b1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7c72424e2dec876d4997f24a719af534c0f7b80b765cb41b244b827c98dea66d
+size 2100380
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ru.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ff9b37731941a56f54d6caaad4ee7c7673d6b5f8
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90492e69056115698e1225cc667cdbab396628be5b1021198b113e701bd3e78f
+size 2113077
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..e7b36bd4b8641102d36971cb495f9e92131617ab
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:23e8fd33cc4fd1c75ac154e32b7bfab16f9b75f28fe79319e198943b5fe25ea7
+size 2097060
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..438238ceee67abf4dfc6ed8ee8561e12f842bb4d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:173b3d82fd912e1a7b6f696eea13b88fbe478fd750ea59d201c153dc71c155a8
+size 2100366
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a8115c53b3fac50466f44aa82fe359b11162938d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fdb888144c5e73ea9d925c2404d94e23942b23c8e6aa0be9fd46b3a43409fdb8
+size 2098004
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.uk.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1feccaafc550e36e1447c3532b4930f223c06f4f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e5feda646bbef16cea6da7e99cc1fe720d65b36ae0531ddbf8662b657912de02
+size 2110849
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh-tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7bf1b8c8688777ac1f786306b4c6aacc7b562376
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5eea2a358dcd02cde94919e705845dc20207c272cde41d42926d9c88d32ee641
+size 2257330
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5b9c5ee0399fbf586d5e792753c31caf7ddecf39
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:086f44c4184ca455fb500a59b05d3308ef3e25fb4e2e21cf5d5da0a39288ea95
+size 2239433
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.bg.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..3b9b0ec258aa78b0437f85d2808d03de95dfb88d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a820a4da9764b057ee7b0e042776a1381eff52e6e23656a11fbc523b3cd80058
+size 161266
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.cs.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f79f25649de08876c032202a48f90ae2146405d5
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e6e84f8df6369b134f935bc739285e24a2b51835e71c5bdea79ecbf11c7e442
+size 143287
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.en.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..dd1a99523e17345e911542b8e5127224d248a805
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e831b2003e0c4cb7ade36cfc003f1650146ac9781485a57183f77559c14bbdfc
+size 140131
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.es.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.es.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..91a70abe69cac829b62eb45caf29b4b3d5abc340
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.es.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:743fcfb8576e72cbf29420474c6cf9b43778a51d4979373d8cbd5ffba57c4d5e
+size 149954
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.et.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..72b55eb046ebcd966dab5a85c68c2d4cf7776f8b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53095fe6fb1d585fdaf104d445a1afcaf458aa296738a43fe201f7f6949b345a
+size 146262
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.fr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b8213d051c17cf50fc435e9b482253c6b1771599
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aed66bb56180d87a65b21d83b4332826941399801f242aa069614e3026e5ebe1
+size 141458
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hu.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..22596aa5e611c9e69343101d171a2682c5ecd7ba
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2c990dcd02ac93ad6cb949aefc7e5e85853ca41e526eb8c0459f12605dbef19
+size 140593
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hy.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hy.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5e198c6b11fbce8dff262afe891b85a2f76fad83
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.hy.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6753172008d44738188e2f09800fb2de69e7ce0dd0d6e239fbdfa5d1b8707e5f
+size 161560
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ja.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..498c40adb3cff5c0656b8bd676c81ce9b111b074
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69638d90939ae13a9f5ca185c019c4449f0b777dc5d0fcad969d34539f3428a9
+size 285865
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.kr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.kr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..12ebe82e16accb6b5bae323eea789a73c516181c
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.kr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f9c240e2723934b678d75815c6b7e6bb170ed1bb1eb843c91f8f4710d726894d
+size 266094
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.lv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..78db91a130ad403d83a7f8942ecbb17451361a6e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cd48e9ce3e5b92391fe18a18fceccc1f8d56240ecce46449ae5620c67aaeb2e
+size 139152
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.nl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..46d87149973ba430547d6b81a19c0b139969a017
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1eeb12d773d503b3247b476d680bc65e53130ddd6c38818e0a0670861911d995
+size 147543
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8a21f091153ad7063e33d4bfc4270b00955ee8ea
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a75ab63bc8ab3252e9d10e23a174fd09ed496a575d074220cff6525dca82859
+size 152619
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pt.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..5d189431139cfa85ed962c4b75ef06dbe267a20d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.pt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e4eabf39daa03fdbeac255d71a443ef0787d92307481c24bddc7de75b04c99d
+size 142628
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ro.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b6481bdaebc82dae92de2d8fa23b87fabb7fcaf7
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cda78c81481196cc4f62b18320f3317614032a962ea68f2c975592dc1447ff21
+size 141984
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ru.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..77187302568495f8ad0b7864ae0cec30edf9bceb
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eea67889be5112d31cf47aeb133348823e2d25c33a8e3b7b060d15a7d2a6d197
+size 165769
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sl.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7b26a3ca38169a273cd317b93682b3d89b85d57f
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dacedd0a289695ec79918f4f1efa30cb596bbdd48fffcfeb720dfdc6ecf4964b
+size 138682
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sv.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..77689f0e5148d6e921158694afeb7489eeef49e6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d91166c358e57c510f990f60c9a78fe232577986cdd8f63af17f28046a26087
+size 141849
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..35db8cdc450364bbdb6ffbb7e70200aff098b0c9
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5cf6546b114e136858735ed2fde2e853e1172e70be06e88421eebe8039e56f49
+size 150046
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.uk.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f0e377b3278e4927f7d8a27f3fe91a228c1cacb1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:66ba4b1dc0f08d151642b2a94014491245e4ba6506b9161ba173b01c14926206
+size 163800
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh-tr.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh-tr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..7e42ded19f276913582e0a92aad9080d3b939c0e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh-tr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5aa8ebe0997f3da830750c62596fe3f10e6a59ce751f38244687b1655f517365
+size 303734
diff --git a/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh.pdf b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..888ecc80294dda10b201ac37da143747b9c66874
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2017/iol-2017-team-sol.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11d28a990b25f495d8b3b70316cc77668c4b09a3f3b92482b74d56ffbaf270d6
+size 292493
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-i-5-slide.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-i-5-slide.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c614b4c789012fe80c3ff73b11b4088eb914d312
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-i-5-slide.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec55a2f460e04acfcee77a737526d4a400e0b6bd153dacfd3ca2816bad9f7e05
+size 717666
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bg.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..229683432555c6922ec493f34652dfe596a58675
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11877ebca6b550e45cb5f00e9418b322993566ab222a7ab28d454c3c6717b2c1
+size 128771
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9c5e3eb1fde636ea52504cefb11f9cd2223e82ff
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.bl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b30dca24dfb632f37d466d1eb6e11aad955119708eaac23ee9aa37454b3dd2c5
+size 111172
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.cs.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..38e72d322a246fb2ef62c341db92742edf97d4ed
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d760fd1565f0c34788ac9573b6aeda8b06050c35af323b16bec27ee1ee96c89
+size 111975
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.da.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.da.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..72746a50c5f40bd518d155c0acf6a91ef8242d47
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.da.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:730d68736446aeb55c8f7baf4aab3bc5a1c06a3b0b3fe3aae3cb120eb141d00b
+size 108176
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.de.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.de.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..47a9c652d03becf3d16d804eb57e82fa940709a8
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.de.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a7c572619bd75f90e37f480750f95a7cb1069ed5875f93e1c52fe1bb566da3a
+size 123308
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.en.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..fd0f1bbb90aba07a5872e5fa30058da9c2bb2d06
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:931b40355e94ba568ff5750ef487a4a050d76ca5bbaa14e87eec936df1369268
+size 110041
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.et.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..4dda12c4fc467010469629c2b0437fb90d77079d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:223907d42b9ca7ae13cab16a0b6742d513f92003e6fa1f19c4ed7c5f092a2a6d
+size 113657
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fi.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fi.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1cef1522efb65587d224f8cd64fdfe34ea98350e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fi.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a545d42720a52b8b6f45b83f10a61f897ef7a58f0b82b2b61d50a806aeba0b9
+size 114686
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fr.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a7b9d18e3aee4dc44a75623b5f6eba794b3915cd
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f4ebbb6039cc6dfa59bf3b7ffe46fc6573478370a45b019168ac2eeb0b4dab0
+size 112363
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.hu.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..598956776365e3429c88f6bdc7714feae5bf6740
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a75b5e31b6d72589b35cb370292385db1580f48b2ca8dcac4fe3b485878680c3
+size 110001
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ja.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2af8240f84d4af22a1252ae4ca17c4f616ab2a30
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54533944d588506078e295a101d1fbb6c04c65e0dd23d6d23b42e63a0b399389
+size 282973
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ko.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ko.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bb2cc2b62c83f6ab868240d2442cc41cbf9332ef
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ko.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0dc39d8703aaefa56df87a01920b4d378daf2377f48fa632c425d0433d59b9ae
+size 260197
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.lv.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..05b8321773b62685c601fd0e7d2956b8d9bb7f27
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4142dc9c69574e403750d7764e7a82ebe6ac04d0557f280cc382c0e7527c853c
+size 108165
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.nl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..cd6deff004a7fb409317ea085ba9c2892a2b993d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2710b61ffc9de1c62b48c75a613941d51d16536767a21d31a22a18ae013151e1
+size 116611
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.pl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c949282a831801e3d70f2388ff0b79c9fba37a9e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd6be90b92caadc969b5e278602df6d0188eeaa1368f56f56267a5a42374a3b3
+size 118753
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ro.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..108b5136b16b7c6f9da0e84b22cdcd87559497ab
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf6d935c870837dde462f4e9d9cd27b87c187da700b35a664563332329b81403
+size 111767
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ru.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..c280c55e41e0154587bb8c909b7b9805df13f145
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cdaebe0e836ff55bf4005b47ff9808d4ba1fc2a22fb199421d37103507f4dbfa
+size 131852
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..00c77cc56136d34c2e58566240c9f41b18ffa590
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4412baedd86ca1241765068cde9ee21d0ff87eb67a5460ed70715efa93d681e5
+size 105725
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sv.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..f93f514d7f01f0adfd4621fd83c910b024fe5744
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.sv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b51fde83ea1fd6b03d0c725d9bfb8ac1f1e786871852a758fea90dfcca91b38
+size 108484
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.uk.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.uk.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9a9224ee2f17658b66321c8f2c24c32cc3df03d6
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.uk.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce9c253d301c57820494b4da1575d51d798963de596eeceec5eb476db0ecaddf
+size 131398
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zh.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zh.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b59f1770bed12912e26952db5b179d8a81279d50
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zh.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f8515c00c04ea9bc26345cccd9c6ac7b0787b525943b84a8645ccebec81cfad
+size 290345
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zt.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zt.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b14db2e006eb3e1bb665922c63946ab67240b203
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-prob.zt.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59fc1a9f6c86f5813d21d0f21044ddaa8ed4d8653021e734faaa0e9b55bb507e
+size 297707
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bg.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bg.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..da6c133ea4ecae92c1eb056b21d177715b667597
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bg.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d638b5abe0b10006969b16cbda9a216dcbde93b734373eef6933e55ad1e2995
+size 174754
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..dd47ce6846909a50fd3d267a10fa5c283f6be985
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.bl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac979e7201ac5e5d7bde8fe0ceec87b7d3004ccad465dfc96bb75793639e833d
+size 147401
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.cs.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.cs.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ac5314634c8f5144d127ab390ef75b699e44d9b4
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.cs.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:28dd39f0038a6fe43381d5952c85ad77655724fbecd112d11a1c40bdc13eb6a0
+size 148108
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.da.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.da.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..9f00391d0405cb81921d6360e5f3c6f06be60f62
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.da.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f77c88e5adae650198c015a54df665d07c9808ccaba84a32359defe380b8e1ed
+size 144319
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.de.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.de.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1b4aa8dd2155c0e8849821b145487decb393a1af
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.de.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e6071210dc5d38b81e1ef806552b867d7ef89ebfd8bc8e537c1d6711b0c371b
+size 158365
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.en.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.en.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b27c65ab91446189ae9fca673a776011c8c1fe9b
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.en.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afe22f7df9f62ac828ede28e8c2007ea3f400325209880b409fe7a8062545073
+size 145415
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.et.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.et.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..bb510abc59132d31db2f8f746c91dc4387f27f0d
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.et.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4bc6cb0966bd55b07a203c54847889f8b7e2f93cd1e83d30685386d58d31133
+size 151514
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fi.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fi.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..d7f08046056468cdafed3a9681454a4e1ad6a643
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fi.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:431d69c1bb84b37fc76727d1440b5af7f2b1a9274b3b45b13b5f7046cbdd4d9c
+size 151705
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fr.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fr.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..21c8157723090c8e7b27b353f09b5b6a30485c63
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.fr.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8c03417f577d2394f4a9cb324d04a952416e0f16c26207565dda55d350255ec
+size 148814
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.hu.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.hu.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..67fc1416eacbc7cf93fc3344fd506221eeb30176
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.hu.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:64c8dacd052bcb320242654580fb9ee386bba2e35d00483972cd16d6367f8d4f
+size 146218
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ja.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ja.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..75a5454ad394c70b178ea740a709b10561c12816
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ja.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6d1762b777956bbb9b254a6d146e37450e8692f1f37b5f41cf348cd6bfa6ddff
+size 334331
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ko.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ko.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2eb5cb233d23674ab20f06e06ed4650c428444d1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ko.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13c194774da5ecfe9fe5befeeb8da19e68a1e84a947afe32ab27032e0002030c
+size 316601
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.lv.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.lv.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..1eb0cca09f55c2060c5b10122bb24f8f5a49f1a4
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.lv.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f2537c6cf1ffd436c2700ab738122c931d2e22dddc6ac6a7f4af98a97393fc24
+size 144015
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.nl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.nl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2c4560211937cd351c075388162be60892685eb1
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.nl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2e9b49b95741ab47b5b9304d03f79ae54808b0581da3802dcd986ef7f91b075
+size 153209
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.pl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.pl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..2bf54452a0b0fba8f8ceafa6f0a633a85077da2e
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.pl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d36a8954958b3ffc85e3d6d383eb9f39f3a873754cc2c5dee3a2656cdc5930ae
+size 155718
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ro.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ro.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..a8109eb5961528c6fd2427ed309f7b5f020d067a
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ro.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac941d9c6444ff33c5e1ec87317efb1a4b0ba5c93a6ad913f67585ae9c3c5826
+size 148222
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ru.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ru.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..b2dc8c116574563406f3620d8afd7e30710eb6f3
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.ru.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eba52865860c7d756a29fec20ac8da2d094a7306300eea386660024b66341e8f
+size 175647
diff --git a/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.sl.pdf b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.sl.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..82a79e3d1f03748e46076a17d193b302fc71de83
--- /dev/null
+++ b/benchmark/IOL/official_pdfs/2018/iol-2018-indiv-sol.sl.pdf
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7842facdab68cb023b3dca6104544f1e1d4d1918d199369d8d5257a4c3702d7b
+size 143052