The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 48.

Homogenous weight enumerator: w(x)=1x^0+293x^48+260x^49+954x^50+868x^51+1738x^52+1756x^53+2762x^54+2596x^55+3406x^56+3152x^57+3620x^58+2996x^59+2861x^60+1728x^61+1646x^62+700x^63+723x^64+204x^65+290x^66+72x^67+89x^68+4x^69+36x^70+9x^72+4x^74

The gray image is a code over GF(2) with n=228, k=15 and d=96.
This code was found by Heurico 1.16 in 89.2 seconds.