13x13

5
DAADBDCCCEDEA
CBBBABBEAAAEA
DBEEEDEEBADED
BDBBEDCAACCBC
DCCCCAECEDADD
BEBBCCADEECBA
CEDEBBBEEEEDB
DCBCADBCADAAC
EAEBACADBCECB
EBACDEEEBADDD
DBDEDCEDDEAED
BBDDCCADADCAD
EACCDBECACEEA
-
DEBCDCEBBBEBE
AACADBBBEACDC
DBCCCBCDEAADC
BACDACDCCCEDD
EDBDBEEDCCEEA
DABCCDCEBCBAA
ECACBABDDCDCB
AEBAAEABCDEED
BCEBDDEEBBEDA
CBDACEEDEADAC
ADBABDDBACAAB
CBAABDBADEEDC
DDBEACCCDEABB
-
BECBAECBAEECE
DCDBECEBBEDEC
BEDDAECDADDDE
DDEBDCDBEDEDE
ADDAAAEEDADBD
EEBCEABECECAA
BEAAEADCBECAE
BACCEBBBEBBAA
EECEAEEAEDBDA
CDDDCEEECDBEE
AABABAADAADAA
CDCBEEEDCCCBC
EADDAEECEACAE
-
DACEBACDBCDBA
BDDDADDECDDBB
DBDDACEDBADEE
ABDBCEAACBDBA
AADBBBDAEEDDC
EEBEEBBCDDBEE
DACAADADABADB
ECEDAEDCECEAE
CEACDECBECEAB
EBBDDBBCABCDD
BACCEABACAAAC
ADBAEBBBEACAD
CCABBBBEEBEBC
-
CCCDECBBDACAB
CAEDDCADDBAAA
ABABDDDBBCEDE
CDBCAECACBCDE
AAABBACBCBAAD
CDCACAEECADAA
BBDEBEECABDDD
AEDADBEACBBBB
DCAEDBBBBDABA
ACDDADDEEBADC
DADACCCCCAEDB
BBCCCCAABBEAA
ECBDEADDABBCD