length n = 56
dimension k = 3
alphabet length q = 8

minimum distance d = 48

generator matrix:
00101010101010111111111111111111111111111111111111111111
11115161712131400001151617121314227252426233635455575667
01020304050607025361253647526374136475263745263361254752

projective group of automorphisms generated by:
100
010
001

001
010
100