The generator matrix

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

generates a code of length 59 over Z8 who´s minimum homogenous weight is 53.

Homogenous weight enumerator: w(x)=1x^0+104x^53+331x^54+326x^55+436x^56+414x^57+494x^58+326x^59+425x^60+214x^61+220x^62+170x^63+223x^64+146x^65+143x^66+74x^67+17x^68+18x^69+11x^70+2x^72+1x^74

The gray image is a code over GF(2) with n=236, k=12 and d=106.
This code was found by Heurico 1.16 in 0.489 seconds.