Backfill masks: train-patch01-012.parquet (+5616)

data/train-patch01-012.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
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-size 116124079
+oid sha256:0958cb50539d147bb2d3e7c3191b6c9e4f6b4aef8fab09283480318fb49e4bef
+size 117634117