The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+152x^53+233x^54+412x^55+391x^56+468x^57+361x^58+406x^59+286x^60+368x^61+238x^62+244x^63+175x^64+172x^65+64x^66+54x^67+26x^68+18x^69+13x^70+4x^71+1x^72+4x^73+3x^74+2x^77

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 0.61 seconds.