The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+66x^50+28x^51+261x^52+60x^53+407x^54+204x^55+552x^56+236x^57+567x^58+212x^59+511x^60+180x^61+404x^62+68x^63+185x^64+36x^65+84x^66+16x^68+3x^70+4x^72+3x^74+3x^76+2x^78+2x^80+1x^84

The gray image is a code over GF(2) with n=232, k=12 and d=100.
This code was found by Heurico 1.16 in 0.715 seconds.