The generator matrix

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

generates a code of length 59 over Z8 who´s minimum homogenous weight is 52.

Homogenous weight enumerator: w(x)=1x^0+108x^52+422x^53+504x^54+652x^55+607x^56+878x^57+686x^58+836x^59+566x^60+850x^61+478x^62+502x^63+401x^64+324x^65+166x^66+112x^67+42x^68+20x^69+20x^70+10x^71+3x^72+2x^73+2x^78

The gray image is a code over GF(2) with n=236, k=13 and d=104.
This code was found by Heurico 1.16 in 1.82 seconds.