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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+141x^52+40x^53+242x^54+104x^55+257x^56+112x^57+262x^58+112x^59+320x^60+104x^61+174x^62+40x^63+89x^64+26x^66+15x^68+3x^72+4x^76+2x^80

The gray image is a code over GF(2) with n=232, k=11 and d=104.
This code was found by Heurico 1.16 in 0.215 seconds.