The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  6  1  1  0  1  1  6  1  1  0  1  1  2  1  1  4  1  1  6  1  1  4  1  1  2  2  2  0  4  4  6  2  2  2  1  1  0  0  1  1  2  2  1  1  1  1
 0  1  3  6  1  1  3  0  1  6  5  1  0  3  1  6  5  1  0  3  1  6  5  1  4  7  1  2  1  1  4  7  1  2  5  1  0  6  2  1  1  1  1  4  6  7  7  2  2  7  7  2  0  4  4  2  6
 0  0  4  0  0  0  0  4  4  4  4  4  0  0  0  0  0  0  4  4  4  4  4  4  4  4  4  4  4  4  0  0  0  0  0  0  0  4  0  4  0  0  4  4  4  4  4  4  0  0  0  0  0  4  0  4  0
 0  0  0  4  0  4  4  4  4  0  4  0  4  0  4  0  4  0  0  4  0  4  0  4  0  0  0  4  4  4  4  4  4  0  0  0  0  4  4  0  0  0  0  4  0  4  0  4  0  4  0  0  4  4  4  0  0
 0  0  0  0  4  0  4  4  4  4  0  4  0  4  0  0  4  0  4  0  4  4  0  4  4  0  4  4  0  4  0  4  0  0  4  0  4  0  4  0  0  4  4  0  0  0  4  0  4  0  4  4  4  4  4  4  4

generates a code of length 57 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+121x^54+168x^56+104x^58+80x^60+30x^62+7x^64+1x^102

The gray image is a code over GF(2) with n=228, k=9 and d=108.
This code was found by Heurico 1.16 in 0.2 seconds.