The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+155x^50+442x^51+640x^52+910x^53+1047x^54+1200x^55+1485x^56+1572x^57+1631x^58+1596x^59+1415x^60+1244x^61+1052x^62+764x^63+505x^64+294x^65+204x^66+138x^67+47x^68+26x^69+7x^70+4x^71+3x^72+2x^73

The gray image is a code over GF(2) with n=232, k=14 and d=100.
This code was found by Heurico 1.16 in 7.68 seconds.