The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+128x^51+323x^52+506x^53+683x^54+680x^55+801x^56+862x^57+718x^58+712x^59+606x^60+562x^61+513x^62+386x^63+324x^64+186x^65+94x^66+60x^67+21x^68+12x^69+6x^70+2x^71+4x^72+2x^74

The gray image is a code over GF(2) with n=232, k=13 and d=102.
This code was found by Heurico 1.11 in 1.1 seconds.