The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+127x^48+16x^49+338x^50+112x^51+891x^52+364x^53+1420x^54+648x^55+2258x^56+888x^57+2368x^58+936x^59+2132x^60+656x^61+1460x^62+344x^63+800x^64+120x^65+270x^66+8x^67+151x^68+4x^69+32x^70+28x^72+10x^76+2x^80

The gray image is a code over GF(2) with n=232, k=14 and d=96.
This code was found by Heurico 1.16 in 10.4 seconds.