The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 51.

Homogenous weight enumerator: w(x)=1x^0+190x^51+335x^52+490x^53+602x^54+644x^55+789x^56+798x^57+855x^58+688x^59+650x^60+666x^61+435x^62+354x^63+295x^64+214x^65+79x^66+30x^67+35x^68+6x^69+11x^70+14x^71+7x^72+2x^74+2x^77

The gray image is a code over GF(2) with n=232, k=13 and d=102.
This code was found by Heurico 1.16 in 18.2 seconds.