20 680
DBBF
BDBEH
FEH
ABACBH
GEHHD
CBCAFCG
FGGD
CGDCADD
EFB
DCHEA
CBHACA
DBBAE
HDHGHF
GEHABG
FHBDA
EHAEGB
FHBH
BEB
ACDA
BAGHG
HFAGC
DAEF
ABGAGBD
EFAGCDE
GBD
BBBDH
FEBCEAA
ECHGDE
CDCHFFB
BFHHEH
CHFFBD
AEGABE
GHECDB
HHGDCFE
DHEBEEC
HBFBBBB
FAEH
HCC
HEBBEHB
CGGED
AEF
FDEFBC
DFCAAED
CAD
AEDFCBD
FFEHA
AHCCCEE
DDC
DHCDF
DCEB
BEB
DAHBD
DBADDD
DGE
DBB
FAFDH
ACG
HBFBBBB
DGH
GAHDACF
CABACFD
EGGAHD
BGDBBF
BDF
CBFDG
BCE
GDGF
DEBDHHE
FEHAAA
FAEG
FAH
EGBD
BAEH
FGGFD
EACA
GDC
EAD
CDECH
GDB
BGHDA
DAGA
AAE
DECD
HBDAEAF
CCGDCAD
FCABCFH
FHHEH
GHCBG
FDCHHGD
FDGGGC
DGGG
AEBE
DGEGD
BDAFG
DCAAGEH
CHHGDC
BFDF
ABACB
ACBADAH
BFDHGGH
CGBA
FCABCFH
GEHAE
FFA
FHADBEA
HEAGEH
HFAGC
CABACF
BACFD
EAAGCEE
AFAHE
FEG
BBBFHB
ACCBH
EBBE
FEBA
EFAD
ABFAEGA
EBBEH
AHCCC
CEBB
BECAB
AEH
ABGCGG
EBB
HEBBEH
DBHAAA
BAB
FBCBHHF
BEH
AEGA
EEHA
BDCCEB
GHEC
GGG
GAGC
EBGFAFD
HFG
CDG
DFGAC
HECFFEB
GFAEBE
BFFG
CDFEBA
BDFFEBB
FAHG
AEBEBF
BDHHEBB
GDBFBCC
HBGHAE
AFGHBFG
AGC
FAFDGDE
CGD
DBBF
AAGEHFF
CBHCBDG
HABGHDA
GGFDCC
DDA
BFHAC
BDFFEBB
AAAGEEA
DFFEBBC
GDF
ACDGH
EHCEAFA
FBCBHH
FDD
GDHFAHC
CAH
DHHE
BGBHDDH
CEBCEBB
HAGF
CDGD
GCDEB
GHECDB
DAEDCEB
GACA
HABC
FAFDHG
BBGDB
CACADDD
GBDF
GFAE
FGAC
BFHAC
BBBBGDB
DEB
CABA
ADD
CAFE
AGE
AHE
DGFCDC
BABFA
DEFBCG
FEG
DCCE
BBCAH
CDACEF
GACBD
AGC
EDHHDG
GFGFDGE
AGHG
CHDCE
AEGDC
CDECH
DBFHACA
BBEHB
GAGCDFH
CCBECA
ACFDAE
DBF
AGEEAEB
CAFC
CBHDHGH
DEEDH
GGEDHAE
BEFDAGC
DHAEDF
BFA
DHFG
ECDGDDH
DEDH
BABF
FBEB
BAGHGDF
ABHE
GAG
CFFEB
FGHG
EACABB
DACEF
AFBBC
HBF
BDAEA
FDFFD
ABC
HCBD
EBEE
DCBABFA
BFG
DDCBHC
CEDH
GEFDD
AEB
EGD
DDGFAEA
EGBABGC
BDFC
DDHBF
CCBHAC
ECC
GDCA
EAED
DFE
AAEDCD
ACABB
FEBBCC
DCBHCBD
CAB
BGHAEFA
GDFEG
GDFE
GBGB
AGCBF
ECDBAD
EBACBAD
FADGAF
CFHADBE
BFDF
DAEGFCA
AGCDEBD
DBBAE
EHEEBH
CCBCA
AADEED
FECAD
ABACFDH
DHFD
EDF
GDC
GDF
ABCD
DFCC
EAB
CBGEDE
BDDA
HAEFAG
CHHGDC
AECBGE
FGACBDB
AEAEH
EBCEBB
CBF
DHAE
HFGG
DDDGF
DBBAEBG
GFEC
EFDDDB
DBA
EDFB
EFAD
DAEGFC
CBA
GBAGHGD
DECGB
AGA
BDA
CBD
HDACFD
CEBCE
EHHDC
ABFAEGA
HDAEAEH
AGE
BCFHADB
DHHEBB
HACA
EAC
AADE
ADEDD
FBFAHG
EAB
EBAEH
CBHCB
CGBAGHG
HACCBH
EFGGA
CDFGA
BBCACAD
HAEDF
GGAGCDF
GEEAEB
HEAGEH
GDCBABF
GBGD
HFAGCB
GHGDF
ADD
AGCAEG
BABGCGG
BGAGBDC
BCEB
EFDAGCA
AEBAEHH
BAA
HHGDCFE
EAEHF
AEH
EAD
DCEBA
DHBFBB
DBHCAG
FDHGG
GBABGCG
GBD
FGH
BEFDA
CAC
CDACCDB
DCEBA
GFBCB
AEAE
FBCBHH
FGACB
GCDF
DBA
HDFEHGA
EDCD
BACFD
BAC
FAHEE
AGA
HHGDC
EHHDC
AHCC
BHACA
FBDAB
AEDF
FFBEBEF
GBA
HEBEEC
CBH
CFEDBBB
DAE
DBBF
FAGC
EDBBBF
GFG
EBH
ACFDAED
BDA
FGFECA
ECCCF
CFD
CCGDCA
BHAC
GDE
CDGGDC
GHF
FBCCG
ECF
DFEHGAA
DGDEFGH
EFBCGH
DEFBCGH
EGABE
ECGB
BGDBB
EDHFDA
FDGDEFG
DDC
GBDECD
CCEBDD
GABE
GBAGHGD
FDGDEF
CAF
DGGGC
AEBAEHH
GCAF
BABGCGG
DFCCBCA
CDEBDH
HHDAE
AHFCG
EHFF
FFH
ECDB
HDD
EBBCC
FCDCHF
DGBGB
EBD
HACDA
EHAGFGB
HDAEFB
CAFA
GEHAE
HBHEC
GHD
EFAG
AEHF
DFH
DGFC
EGG
DHF
AGCBF
BGFAFDG
FCBDED
GED
ABCEDG
BHDDHAC
BCBH
CFCEAB
ACAA
FED
EDHHDG
FBCCGD
CDCAEC
AAAEDC
HDH
AFDEFBC
HACADED
HGAACD
GBABGC
CGBAGH
CAHFCGE
CAD
FHBF
CBHC
DFC
AAADEED
DAED
FBCBH
HGACDG
CDECHGD
CCCFCE
CBADA
AAAD
BDFH
AAEBAEH
CAAED
BHAAAG
FHACAHF
DCHFFBD
CDF
DDGCD
AGAGE
CAECBG
AGEFA
DEEDHH
DGGD
GBDAF
EHAAA
BCFHAD
HFBADBB
FAFDG
CBAB
FHADBEA
DHBFB
DCCBE
GECFBFB
GFAF
EEH
EGDCBAB
CDC
EGDC
FEHAA
BGHAEFA
DHFAHCC
DECHGDE
CFDAED
BBBDHF
CABAC
BHCBDGH
DAHBDBH
CGBF
BABAA
GHA
GEHFFE
DBBFBGC
EDHBFFG
GBGDB
EGFCABC
HGDF
BEFGGA
CBDGHEC
FDGGG
CABACBH
BEECAC
HGGH
GBDAF
ADE
BEBEFGG
DFCC
BCBFD
FGFDG
ECDBADD
FGEH
CDCHFFB
GABEFD
HCDC
HEAGEHA
AFCGDG
CBFDGGG
GHFBAD
CADDGFA
GEFA
HDGEF
BFHHEH
BGGFB
DDCEBC
FBDFC
DGFAEA
HDGE
HDCE
DCE
AGC
DEED
EFBGHHD
DFEHGA
DBBBFHB
EFDDDB
FFDCH
CEFGGDH
EAGEH
GHHDCH
EGEDCCH
BAAE
FAG
AHEEGF
BBC
GCBFA
HACDA
HEBBEHB
FCCBCAF
BAAC
AADE
HFAEH
CEBCEBB
AEGFCA
BDBE
GDHFAH
BADBBAE
AACDGH
DBFHA
BAEBG
EEHA
ABHEDF
HEEB
DEC
ECA
CDBBCAH
EDDGBG
CEFGGDH
DAEF
FEHGAAC
BBEHBGH
HECFFEB
FAE
GHHFA
BABC
BFCDB
CDAC
FGGAGC
FFEHAA
CFHADB
AEGDCB
ACDAC
HDGE
EDDGBG
GGHCD
HGGHCD
BBG
ACA
CEBABAA
ADDGFAE
ACAFEGB
BHHFEA
GAG
HBGHA
DAE
FDGG
CAB
DBA
HHF
EGDAF
GFCABCF
EDCDG
GEHABG
CBHCBD
CDEBDH
DBE
GAACDG
BEBFHH
GAGCDF
HECFF
EBAEHH
GEHA
HHFEA
CGDCAD
HGGHCDC
FBADBB
EDGF
GEDECG
GECFBF
DAFG
BEAE
BDB
BFFA
BDGHECD
GHDAE
HHDAE
EFGHF
GDH
HGDF
DAEFB
BAB
HFAGCB
BAACAAA
CDGBGD
DHHDGEF
AEC
BBFHB
FHBHEC
BEH
GGAHDAC
DDG
FHBD
DCADD
HHDGE
BEC
DHAEDF
FBCGHC