The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+86x^48+370x^49+985x^50+1350x^51+2534x^52+2896x^53+4270x^54+4596x^55+5861x^56+6112x^57+6848x^58+6198x^59+6680x^60+4848x^61+4398x^62+2648x^63+2021x^64+1226x^65+863x^66+354x^67+216x^68+96x^69+44x^70+20x^71+7x^72+4x^73+2x^75+2x^76

The gray image is a code over GF(2) with n=232, k=16 and d=96.
This code was found by Heurico 1.11 in 48.1 seconds.