6 100
A
C
Ab
Bc
Ca
Dd
bcabdbaddadaabcadbcc
bbbdbacbbbbbddaddccb
ccdbaaaaabcabbbadbca
cbaaabbdbacbddadcdda
ccddbcbbddbaaaacbbcc
dabacdbabdaddaaadada
accbaacbdaccadbbdcba
cbbbbcbabbadbaabdcdb
bbbbbdcdcacacddacdba
bbadcaaaaacdadadcccb
aaddbddbacadbdacaabd
bdbbbbccdcbacbdddadc
bbabcdcdcbcdcdcbcdaa
cbaaabaabcddbddddbbc
cccabaddccbcbbabbacc
babccadccdddabccadca
badbbcdcacbbabccdbdc
cdbbddcadbdaaaaaabcb
dbddcbadcdadccddcdac
cacacababdccabbbaddc
ddcbbdddcddaaabbbada
ccdacbbcdcbdcdbccbab
acbbbcdbbbdbdaabbadc
ddadbdbddbdadbbadbca
badddcabcbbbdddadccc
bbaabbdaccbcbddadaad
cbddddbdadccdaabcccc
adbadaadcacacddcccac
adccacbdabaacdabcdda
bcbdcbaaaadcabbdcbdc
addbdbbbbdbaaaddbbdb
dcbbaddacbcdabdbaacd
dabcdbdbbaacbccdbaac
cbdbaaaccdddbbddaccd
ddabacdbabcacccaccda
adaabdadacdcbaabacbd
bbbbbbacacddbddbddcc
baadcabdcbdbdaacdaaa
adcdacbdcaccaacbddac
babdbbbdcabaabbcdaad
cbbccbccdadddbdacdca
aadcccabaddcbaadbcac
ddccdababcbdddcaabdd
ababcccacdadaccdccaa
abadcababdccaaccdcca
bcabdabbddabbddabdcc
bdacabcaadacacdcabdd
dababdccbdadbcdaaaac
ddbbaddbaddddcbbacda
bbadacbabccdacbacdcc
bcdacabbadadcdbbbcca
dcbaaabbabcbabdbbbcb
dccdcdcaccabddddddab
ccccdccbccdddaccaadd
bbcdcdababacabbcdddc
ccadbacabdcacbcbddcc
dbcdcadbabbaabadabdd
cdddabacaccabbdbabad
cababadcbacbdacdcdbb
ddbdaacdbbaadccddddd
adbaaaadcdbdaddbccda
adddccdbcdcccaddacbd
cbbadcdcabbdddccacac
cccbabddbabbccbbdaad
bddbbaddcaaacababbdc
bcaddbaacbdaabdbcaab
acccdbcccaabaadcabcb
acbdbbbbbccabdddabdd
aadababccdccccadbcdc
cbbcaaabacddddddadda
cccabdccdccdacabadcd
cdbacadacbbccabdbccb
dcbdbadcbcabababbbcd
cbcddbcccacbcabdabba
dcdbcaabdbbadcbccabd
bdbddcdcbcaacabcadcc
baaacabddddbcddcccbd
dcdabbdddbdbaaccaacc
cbcbcdaadcbabcacdbac
ccccacdccccbacdbadda
abbbbbbddbbadaddcaad
bbdbdbdcaccbcacbcbdc
bdbdadacdaabdbaddcad
cacddbddaccbbddcdccd
ddacdacababccdabacba
daccababcdbacddcdbda
dcddcdacbddcacaabcdb
bdbbbadabdcdaaaaccbd
dbdabbbcbdbabddccacd
ccccdbadaadbaadacdaa
aaddadcdccacabdcacaa
dccbabdaadaaaccbacdc
accdcaadadcbbdaacbcc
ccdcbbadbbcbddbbdcba
ccababaccbabdbbadabc
cabbbdcdccdabdddadcb
bdbabddccdcbddddbaab
cdaaaacdbcdbababadba
accdaccbcbcbcbdcdabc
bccabacbadbbdadacccc
