20 480
FFAFAE
DHDHB
DHB
HFD
EFF
ADEE
DAD
EDCADG
CAEFAG
AEAEFHC
EGCHEGA
HHFDADF
ADAAEAE
AFAGFE
FEEAB
AHAHBF
FGHEDEF
GAHHBFC
BDDCGEG
CGA
EGGAA
GGDAED
DAFDBFD
BAFG
EDCHFDF
DHD
GECCGDD
DDEB
DGECCG
HDGD
FBGEH
AAACEH
EHBAA
BGDB
DCDF
DGBF
HFBGACB
HABDF
EFDDFAD
EHCB
BCCG
GDDGE
BHHAGD
AFFAGEE
GFCBHH
FAD
FAGFECG
AAACEH
DCDH
CEGDBAE
HAEG
CHD
GADDEC
GAEHHFB
BFBDDCG
ADCDGE
GDAFF
CGHHFD
DEH
HAEGDAD
FDC
CEGDBA
BEB
HFC
DCAADE
AGGDA
DHE
CHEGA
FEEGCH
BBDCH
FDCAD
ABFCGAG
FDGH
FEC
AECEG
AHB
AAG
EEHDDH
HHA
CHFB
HFD
EHDGD
CGFCDCF
BCCGGA
DGAHHB
DHD
AACE
EBBDCB
BABGDD
CFEAE
BCDF
GEEHDD
HEDEF
DCHAD
AGE
CHDCGA
AEFA
BCC
FEDDFFC
BDFD
EFAHHFG
HBDFC
GBDC
GFAHA
FCF
GAF
GAHHB
FAFAEBA
HDD
BAHG
BAB
CDFFA
EEEAGH
GEHADDD
EFDHD
CHC
GHHFD
EBBDC
AADEEED
BBDE
HDFDHB
EDEAHC
GGA
GFAEFD
AEH
GECAAF
GBEAHA
BABGD
FDA
FBAA
GAD
EHE
EHE
BFBDDC
ADDE
DAEDD
FAGE
HFD
HDC
AFAHDDA
GBHCE
HAD
HDCEG
EHD
CEFAGE
EDBAA
GDDE
FGDDEB
HADAAAC
CHC
DCF
FDHACA
EBBDCBF
FDGHE
ADHECA
DHAB
CCGGABA
BDFB
DBBGHGG
CBHB
DEEDAH
EDEAHC
CDHABD
FEAHGG
GDBDFDC
GAGHEDD
BFEGD
BCHDC
CADGBFE
EEGCHEG
BFFHG
HDFCFA
GECCGD
DCH
BAD
CGAG
GGDCHCH
EFAE
CHHA
FCEDCH
ADAAEA
AHCEGD
ADAA
ADCDFFA
FAHAHBF
AECAD
FAG
HAEG
DEAFEHD
GBCCGG
AEDF
CHAD
HBDDHGD
FDBFD
CDFFAFA
FHGFBG
BDCBBH
ADAF
CEACGAA
AHG
CHHHFG
DHACACG
BAFGB
FEAD
AEAEFHC
EADBAFG
DBAEFA
HAGDCH
GDGEA
CDGAD
BFGDDEB
DEABD
CEFD
GEHDFC
CAEFAGA
HDF
BBDEHDG
GEFDCDH
BCHCAE
GDCAD
AGED
HHFGCDG
DEHD
ADFDBH
BBF
ACEA
DGHEDE
HACE
HDEABFG
EAAADA
DHHHDEA
EHADD
FCDCF
DEABD
FEE
EABFG
HCEGDB
GBG
FBFGDE
DCHA
CAAFE
GDF
AGGDAED
HFA
AAA
CEBFB
DCBFCD
HAC
ABFC
GADCDGE
GEDDBGD
GEG
FDFDB
CHB
DHHHDEA
HHGFAH
DDHDE
DCGCDD
GEEHDD
DGDC
GDC
DCDFFAF
AHEB
HACEACG
CEBFB
HEBGED
EAGHBB
FDFE
HAFA
DCDHH
DAAADD
GDDGCCH
ADAAEAE
CFHAD
BHFC
CCHEHE
GFCDCFD
CEGFAE
CBHBEF
DDD
EHEDCA
HDEH
FDBFDHA
FDFEFEE
EBEFAHH
EAHGG
DBHADG
CHAD
GFC
BABDFBA
DGECA
DDBGBB
HFC
ABDFBAA
DEHCBH
HAFAGF
BHEA
CEG
DECFEAE
AFG
HCEFD
DGBF
EHE
BGH
GAHC
BDFB
DDBBGHG
HAGDCH
AGDCH
AADEEE
DCADGBF
GAA
AAD
GBBDEHD
DDECFEA
AFDACG
FAH
ACE
EDDD
FHGFB
DDBBG
BHBEFD
DBAFGB
FCAGE
HEA
HBD
AGEH
BGA
FDADAFD
FCE
FEAHG
HBDDHG
GECC
EAH
HEACEBB
GFBGE
BFBDDCG
ADEEDH
CCEGD
ADAEF
BGBBDE
AFG
HBCCCEG
DEAB
CADGBFE
CBCD
DGAHH
HCCEGD
DCDGEC
HCEFDH
BDFDCGG
FDBCDF
CGFCBHH
CCGDD
CGCDD
EFFF
FGDFG
EDCA
AEDEAH
GADCDG
DDFFCAG
HFGDF
BEBAECE
FCBHHA
DHACACG
AGEHDF
EEFCEDC
GACB
CDD
FAGEDD
HHAGDCH
BGBB
FDADF
DADAFD
DGDCADC
CGCDDC
FCDH
BCFEGFH
FDD
DFD
EGDBAEF
DDGC
HHGAD
CFHAD
FBEHBA
BAHG
EABFGD
DAEFAEG
GAD
FAEB
ADGBC
HEHEA
GEDDBG
DCDHHDD
AEFF
CGCDD
BDFD
CDG
AHGG
GGDAEDF
DEAB
CADDCBA
CDGECC
BAB
BDF
AFF
FFEDHDH
FBE
AHHFG
GAHCEGD
BHBD
ADBA
HFBEHB
CEGDBAE
BDEHD
DFD
FCEGFAE
ABDF
DGBCCGG
GEHADD
ADFDB
CGCDDCF
DEAHCHH
EABBAE
GDDD
EACEB
CGAAE
BDE
GAA
GEABC
HDF
EFD
ABDCB
ADEEDHA
ACEBFBD
HDCGA
BHFC
CCGDDE
EHEDCAA
GDDGEC
BEFAHH
GGDGE
GECCG
HHFGD
ABFCG
DDHGD
DFCE
HAGDC
FCFAF
EFFE
EAFGHB
GCDG
BDA
DDHHH
HEDEF
GEDE
CDF
DGAHHB
DHBAHEB
GDCA
BFF
BBF
BCCCE
FAE
GDC
DDEBBFF
HEEE
HEDDDA
GACBCD
EAFGH
AGGD
EDCADGB
DFGDA
DFEDDFF
FDCG
HBDDHGD
DCCBHH
AAGAEHH
FEDHDHB
DDHDCE