The generator matrix

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

generates a code of length 58 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+146x^48+144x^49+492x^50+676x^51+1129x^52+1372x^53+1898x^54+2424x^55+2887x^56+3480x^57+3256x^58+3616x^59+3054x^60+2576x^61+1872x^62+1352x^63+1011x^64+600x^65+376x^66+124x^67+177x^68+20x^69+38x^70+35x^72+4x^74+8x^76

The gray image is a code over GF(2) with n=232, k=15 and d=96.
This code was found by Heurico 1.16 in 31.5 seconds.