20 406
DDHABCCCB
EEDGEGGBAGEE
DBHCEDFCGH
HEFFHAHAA
DHABCCCBCAE
FEDHFCDG
DHAADBFGED
GDFADFCCH
HGEFHEHHAA
GEDCFDAFB
DHFCDGDFA
BGDEHAEDEAF
AEEGHFGEHCAC
GFCHHADCD
FEECAEEFC
AHEBBGDGEEA
HDBDCDFFGEH
BBCAGBFCAHAA
HABAGEDGFGD
HEGDCFHF
HDEGHAGGCFD
HFFCHDEG
CGBECCDHA
AGGHHEGDCFHF
HHECHAFFHGHE
DFBCGDEGD
GHCGCABGDE
CAADHBCB
DBDHCGCEF
GFCFFFBA
CFBDCGADGG
HAFFHGHE
DAHECGFCHH
AHAADEGG
BECCDHAG
DGEEAFFGA
CBGDDAAB
HFCDGDFA
DAEEBEDDAH
GEFHEHHAAD
GEDGFGDFBCGD
HFFCABGEG
AGCFFDCHDH
BEGCHHCFG
HEHAAAABBG
GAEEDHBFCC
FFGEEDHBA
HFBBBAHF
BBAHHDFDBDCC
HDHCGCCBE
CFCDFDHDBFBD
DFECBGDDAAB
EBHFCFEACE
EGDDHABA
CFFDCHDHCG
HEEDGCAFAHHH
CADGAGCF
BDDAHEBBG
GFDCBFEBFGA
EBHCHHFFC
ADCDAEEBEDD
CADGAGCFFDC
CGAHFHFAEGCA
HECGFCHHADC
BGDGEEAFFGAE
HABAGEDGFGD
DBDCCEADG
CABGEGFC
DBDCCEADGAAB
DHABCCCBCAED
HEBHFCFEAC
FGDHHHACHCCF
ABHFHBBGCFAD
FHBBGCFADFE
GEDGFGDFBC
GFDCAADHBC
GFFGEEDHBA
DGFCGHGACCF
HAGCHEBHFCF
FDGAHBDE
GBAFEECAEE
EDEAFCAH
CDFDHDBFBDG
AECAAGFFG
DHHHACHCCFDD
EBFGAEEDH
ADCDAEEBED
BDCCEADGAABF
ECAEEGHFG
DGAABFBBAHHD
HDBDCDFFGEH
CGADGGBEG
FDCAADHBCB
HHECHAFFHGH
ABFBBAHHDFDB
AEECEAHDFCB
AGFCFFFBA
CFEACEAGBBGH
AEEDHBFCC
EHBEACFH
CHHFFCABGEG
CABGDEHAEDEA
BFFDEBGEFH
CACGHDBA
FCDFDHDB
HAADEGGHAC
BFGEDCFDA
AGFDCAADH
ACEAGBBGH
BDFADBFGAAG
HEEDGCAFA
HFHEHAAA
ACEAGBBGHAG
HHCFGACFBDCG
AGEEHHBD
ABCCCBCAED
FGEDCFDAFBHG
CDAEHFFCHD
EFHEFDBH
EGEHFEECGAH
CAEDHDGCAG
ABFBBAHHDFDB
DEGHAGGC
DECDAEHFFCH
AHBDEAEFBHC
DAFBHGCBD
HDEGHAGGCF
AAGFFGEEDH
FBAFGBGECFFC
ECAAGFFGE
DAFBHGCBDHA
ACCFCDFDHDB
FBDGFCGHGACC
AHFCEBGCGA
HFGEHCAC
DHBAGGHH
ABGBGBAFEE
GCAGFDDHAB
DCDAEEBED
HGHEEDGCA
HHFHCAHFCEB
GBFCAHAADEGG
GCHHCFGA
EBDADGCFBAFG
EEHHBDHDBF
BCAGBFCA
AAAABBGGFH
DGDFADFCC
AHECGFCHHADC
BAGEEHHB
GBFEDHFCDGDF
HAEBHCHH
HEGDCFHFC
EDGFGDFBC
CCFCDFDH
EGFFAGFCFF
EDDAHECG
BGDDAABHFH
GFDDHABCCCBC
ECEAHDFCBB
FDDHABCCCB
BBGGFHFBB
HAEDEAFCA
CGAHFHFAE
ADFECBGDD
FADFECBGDDAA
HCEFGBEFHE
HBAGGHHDAEC
GEFHEHHAADFA
AHAEBHCHH
FEBFGAEE
BDHCGCEF
HFFCHDEGHAG
GADGGBEGCH
CEBGCGAFBABF
BGBGBAFEECAE
DHAADBFGE
GEEDHBAGGHHD
CEFAFHHB
CCBCAEDHD
HECCGFABCHFG
EGEHFEECGA
AHDFCBBCEC
CAAEAHGEFH
CBCAEDHD
FDGAHBDEAEFB
EDHBAGGH
CBFEBFGAEED
HFHBBGCF
GEDCFDAFBHGC
HECGFCHHADCD
FHCAHFCEBG
AFFHGHEEDG
DHFCDGDFADF
EEGHFGEHCACG
GBFEDHFCDGD
FFAGFCFFFBAF
BDGFCGHGAC
ADFECBGDD
DDHABCCC
ADGCFBAFGB
EFHEHHAAD
BHFHBBGCF
DDAHECGFCHHA
FABFCGFDHDBD
BHDCCAGBFFD
AHEHECCG
HFCFEACEAG
GCHHCFGAC
AHFCEBGC
DCFDAFBHG
BDEAEFBHCAG
EGFCBAHAEB
DCHDHCGC
ABHFHBBGCF
FBHCAGCGGHF
CBEBDADGCF
HFDGAHBDE
CEGFDCBF
BGDGEEAF
FDDHABCCCB
BBDDAHEBBGD
BBBAHFHE
FDDHABCCC
DCAADHBCBD
DGFCGHGACC
HAADBFGE
DDHABCCCB
CCAGBFFDEBG
FHFCGBECCDH
DCGADGGBEG
DGEEAFFG
BBGGFHFBBBA
HFBEBGCFEHD
GHBEHBEA
FCFEACEA
FBBBAHFH
CEFAFHHBD
GCGAFBABFHHF
CAADHBCB
EBHFCFEACEAG
BFEBFGAE
HAADBFGEDC
FEECAEEFCHEA
ECDAEHFFC
AAGFBHCEFGB
ABFBBAHH
HCAGCGGHF
HEGFFAGFCF
FEECAEEFCH
AEDHDGCAGFD
HHECHAFFHGH
AGCGGHFD
HFEECGAHFHFA
BECAEEGH
GHACEBBC
FEHDBDCDFFGE
CBDHAADBFGED
AGBBGHAGCHE
CCDHAGGH
AGCGGHFDGA
HHDAECAAG
GCFADFECB
DDAABHFHBBG
CDAEHFFC
HFBBBAHF
BAFGBGECFF
EBBFAHEHE
GEEDHBAGG
FCCEGFDCBF
BBCAGBFCAH
DCDAEEBE
DAABHFHBB
BGCGAFBABFH
CCHFGGBFEDHF
DHDBFEEDGEG
BDHAADBF
DEAFCAHGHC
AAGFBHCE
GDHHHACHCCF
HHFFCABGEGFC
DGBFBEFGD
FDBHDCCA
AHFHEHAAAABB
HEBHFCFEACEA
HDEGHAGGCF
CFADFECBGD
FDBDCCEADGA
HFGEHCACGH
DHABCCCBCA
BFBBAHHDF
EHFEECGAHFH
GHEEDGCAFAH
AGGCFDECD
CFDAFBHGCBDH
EEDHBAGGH
EAEFBHCAG
AHHDFDBDCCE
HFBBBAHFHE
ADGCFBAF
HCHHFFCA
FDBDCCEADGAA
AEHHEGFFAG
FAFHHBDGHB
EHAAAABBGG
GDHHHACHCC
AABFBBAHHDF
GFCHHADCDAEE
BAGEEHHBDHD
EDFCGHBEHB
GACCFCDF
HCGCABGDE
EEAFFGAE
CBCAEDHD
FBBBAHFHEHAA
DHBAGGHHD
FGEHCACG
AFEECAEEFC
DHHHACHC
HHHACHCCFDDD
CHFGGBFEDHF
AHFHFAEG
ACCFCDFDH
EDGEGGBA
BBFAHEHECCG
CFCDFDHDBFB
CAGFDDHABCC
ABFHHFHC
GHCGCABGDEH
DGAHBDEAEFBH
EDHFCDGDFADF
HACEBBCAG
CDGDFADF
ABAGEDGFGD
CBEAEECE
EEDHBFCCEG
EHEACFFAB
CCGFABCHFGF
AADHBCBD
HCCFDDDGBFB
BAFGBGECFF
FDCHDHCGCCB
GHFGEHCA
BGBGBAFEE
FGEDCFDAFB
CAHFCEBG
AGFDDHAB
CFADFECBG
HFBBBAHFHEHA
FCBBCECFFC
FHBBGCFADFEC
HAEDEAFCAH
GGCFDECDA
FGEDCFDA
FHFBBBAH
CFGACFBD
FGEHHFBE
AHHHECHAFFH
EGDCFHFCGBEC
DHBFCCEGFD
AEDHDGCAG
CAADHBCBDFAD
ADEGGHAC
HACHCCFDDDG
BAHAEBHC
CHHFFCABGE
GCFFDCHDH
BHCAGCGGHFD
AEBBDDAHEBBG
CGFABCHF
FFGEEDHB
DCDAEEBEDDAH
DDGBFBEFGD
FFCBEAEECEA
CADGAGCFFDC
BFCCEGFD
FCEHEACFFA
HEHAAAABB
GDBDHCGCEF
EDGFGDFBCGDE
BFAHEHECC
GBFBEFGDHHH
AGCFFDCH
CFFDCHDH
AEEBEDDAHECG
BFCGFDHDBD
CECFFCBEAEEC
GDDAABHFHB
HBAGDBDHCGC
DCGADGGBE
FCHDEGHAGG
EFHEFFHAHAA
CDAEHFFCHDEG
CEAHDFCBBC
GHACEBBCAGBF
DHFCDGDFADFC
FHFCGBECC
BAFEECAEE
ADBFGAAGF
CFFFBAFHCAE
HEACFFABF
CABGDEHAED
EECGAHFHFAEG
FFCHDEGH
CGDEGDDHABAG
AAGFDCAADHBC