20 433
ADCCGHHF
FAHBFGCB
FFHFFHGA
BFDCCED
FDEHAC
GGACBHDGHC
DGAEGGF
EGGFBFDE
GDFDFBBFF
BDBDEF
BCCBDH
FEEFHDFEB
EDAGDB
CFECDECE
EFEEFH
HBADDEAF
BDEHDFFDEF
ACFFFBDDF
HAEECDD
FBCEHE
FEEFHDFE
FBDDFFBFDB
GBBDAGFB
CGBBDAG
BBBHGDD
BBBHGDDG
EEBFAHG
BEFABAA
DBCADBFHGG
ABGADGE
BCCBFBDEHD
DEAADBA
FEBEFFEE
FHGFGC
BFDEABFDFC
DAHEBGFB
BCAHFF
HHHBHD
GFBCCEFDAH
HFBHABC
GHHFBD
EAGCEEF
GAFACGEE
DEDAEFDFA
CEHACHBEBE
ECABCC
HGDAGGBF
FFDFGGCFEC
BFDEDD
CEFBEHB
HGDDGAEG
BFAHGDAGGB
BAHDHGBFED
BEDAFBFEB
BDAGFBCE
FHBCACBDC
FCGBCCBD
CDCEHACHBE
AFFBEF
EECDDEDDF
BEFFEEHCCD
HGFGCADH
FDEABFD
BGGFHGFGC
CEFEEEAF
CDBDFAFB
DADCCCADBE
CFBHBAD
FFFBDDFFB
CHBEBEDCD
BDHCEFEE
FBEEAG
ECDECEF
EEAHCFEHB
BCCBFBDEHD
AGCEEFDE
FDCHDA
DCDDHFHCC
FFBDDFFBFD
DHGBFEDDG
DBGEGACCFE
BAFHFHB
DHAEEC
CHCCGHG
FFDCAFG
BGADGE
AEBAADF
GBHEACBAFG
EDBHEGEHC
ACCBAHD
ABGADG
DDHFHCCDC
CADBFHG
DDFBGDFEEG
BCADBFHGGE
FBEDEFC
BEDCDDHFHC
AGCEEFDEE
DHAEECDD
EEHBDBD
ADBEDFCBBA
GHAEEHBD
DADBBF
CEHACH
HBADDEAF
CGBBDAGFBC
DFGDEDAE
EABFDFC
GHBBHBCEH
BFAGBB
EBGHBB
GBGHFFDCAF
FBBAEBFD
BADDEAFD
BGEEFABA
BDCFBGEE
GDAGGB
DDEDDFBG
FBFDBGG
HAGGACB
CBAFGGD
GHHHBHDEBH
DFDFBBFF
EHBDBEDAFB
DFADFFHBB
BDCFBGEE
HEAEDC
FHHBDFFE
FFDEFDG
FCGBCCB
HEDEAADB
DEFCEHF
CDAHEBGFB
BGECAB
CEFDAH
AAFBEEAGCE
GHHFBDAEG
CEDAGDBCAD
CGGDABFFHF
DAFGHAEE
AGCEEBFAHG
EDBHEGEH
CABGADG
ADBFHGG
FGCADHE
FEBFFAHBFG
DFGGCFECD
GEDADC
HFBHABCGBH
FBDAEGAGEC
FCEHFEFDA
FFEFEEFHDF
HGCDBD
FCCEGAB
DFHGGCHHF
GBGHFFDCAF
HHBDFFEFEE
FHFBHABCGB
HABDDAAF
GAEGGFBF
BGEGACCFE
GFHGFGCADH
ABFAGBBDF
HAEEHBDB
DEAGBGBEF
EAHCFEHBD
EHABDDAAFB
BEFFEE
HHGBAC
DFFBFDBGGH
FBHBADDEA
HBCEHFAE
EDGDECEHC
AGCEEBFA
BDDAAFBE
FDBGGHHG
BDHCEF
CHAGGA
FDFGGC
FEFEEFH
DADBBFDC
DCHDAGCEE
BAEBFDEAB
EEFABAFH
EHFEFD
DAAFBEEAG
EEGBDH
BFFBEDEFCE
FECABCC
EAHCFEHBD
EEAHCF
FFHHBDFFE
FEBCAHFF
CBHDGHCEF
FFEEHCCD
HGDDGAEGG
BCCBDHCE
CGEECGG
EDGGDFDF
BCAHFFDF
EAHCFE
FBEDEFCE
DCDAHEBGFB
FFEEHCCDB
ADCCGHHFBD
DFCBACCHF
HFFDCAF
EEAHCFEH
DEFCEHFEFD
FCCEGABFAG
AFECABCC
CACBDCFB
FEBGHBBH
CGEECGG
DAEFDFAD
BDEHDFFDEF
FDBGGHH
BGFBCCE
HFFDCAFGGE
GABFAGBBDF
ADFFEB
BEFFEEHCC
EHDFFD
FFEFEE
DFEEGBD
CFECDEC
FEFEEFHDF
BGEGACCFEB
EBGHBBHBCE
DGHBEBC
GGAGDGB
DBGDEC
CCEDBHE
GBEFABAA
BBHBCEHFAE
GEBDEAEFH
AFEBEFFE
GFHGFGCADH
FDDEHEGBH
DADCCC
HAEEHB
FDEABFDF
HFBHABCGBH
CCGHGHBEH
DDEHEGBHHG
ADBFHGGE
HEDGDE
DEDDBBBB
GCBDBGEG
BAAFECAB
GDAGGBFDCH
EGEHCDBEF
ECDDEDDFBG
HGGCHHF
EAGBGBEFA
DHGBFEDD
AHEBGFBC
DCCCAD
HBDFFEFE
GDFGDED
FBAFDD
FEBCEEA
AEDCEAEBGG
GEGACCFEB
BDDFFBF
CEEAHCFEH
AGFBCEHED
BHHGCD
HCCDCEHA
GDGDHGG
EBBAFF
HFBHABCG
BFDCCE
AGDGBHEACB
HEEADCDAH
EFABAFH
DCAFGGEB
CGBCCBDHC
FFBEDEFC
CFADCC
AGECFCF
BCEEAHCF
GDFDFBB
DECEFEBCA
AHFFDFGGCF
HACHBEB
BCEHFAEBAA
GGDGDH
HGEDADC
HBEHAC
AFBFEBCE
DHGGAGDGB
DEAGCF
DBEFAD
FFDFGGCF
HGEBGECABH
BEHBAC
BFDEDDBBBB
AEBGGFHG
DBFDCCEDBH
DCHCCGHGH
FFEFEEFHD
FHGFGCAD
AFGHAEEHBD
EABFDF
FFDCAFGG
DBFFBEDEFC
CHBEBEDC
BGGHHGB
GDBCADB
GDECEHCGB
AABADBFFBE
CFEHBDBED
BFEDDG
EEAHCFEHBD
EHFEFDAA
BFGCBDBGE
GAEGGFBF
EFDAHEEADC
GHBBHBCEH
ABDDAAF
BCEHED
BDFHGGCHH
HFEFDAAB
GCADHEA
EAFFBEF
ECEHCGBBD
DEAFDEHA
ECDECEF
EDDFBGDF
CHCGEGA
EHBDBDEFG
EEGBDHAEE
EBCAHFFD
GCADHE
BFDFCB
CBACCHFB
FAEBAAD
BEDEFCEHFE
DFCBBAFHG
AFDEHACAB
DFCBBA
DAFEBEF
DFCBACCH
CFADCCG
DBEDFC
FFBFDBG
CABHGH
FECDECE
FGDEDAEFD
DBGEGACCF
FAHBFG
DHFHCCDCEH
FHFHBCA
BEDAFBFEBC
DGBHEACBA
DEFCEHFEFD
EEHBDB
EBGGFHGF
GACCBAHDHG
AFDEHA
BCAHFFDFGG
GDBCAD
FABAFHF
DBDFAFBAF
EFDAHEEADC
DBBFDCH
DEBHHGE
BCADBFHG
CEFDAHEEA
GGDFDFB
CEHACHBEB
HGFGCAD
EECGGD
HGDAGGBFD
CFFDEDGG
BABCFBH
BCADBFH
EBFDEABF
FBEFCGBCC
FFDEFDGHBE
GEBDEAEF
GBGHFF
HEGBHHGCDB
ABHGHHHBHD
FFBDDFFBF
AFEBEFFEEH
DHCEFEE
EAEFHGBGH
AHDHGBFED
BGFBCCE
ACFFFB
ADDEAF
DGDHGGAG
ACGEEC
ABGADGEEG
DEAGCFFDE
HCEFBE
EHHFGCE
DGDHGG
HEDGDE
HDAGCEE
FEEEAFFBEF
GFGCADHEAE
AAFBEEAGCE
HEGBHHGCD
EACBAFGGD
HACHCG
BEFADBFDCC
CBDBGEGA
FHGGEH
GBFEDD
GGHHGB
GACBHDG
DFFBFDB
AFACGEECG
CBFBDEHD
DADBBFDC
BCADBFHGG
AADBADF
CFADCC
FGGEBD
ADGEEGDADB
ABGADGEEGD
DFGGCFE
BACCHFBB
BCCEFD
FECABCC
CFADCCGHHF
FHBBCG
DCHCCGH
ACHAGGACBH
FBEHBA