The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+191x^48+60x^49+566x^50+348x^51+969x^52+648x^53+1508x^54+1280x^55+1933x^56+1484x^57+1976x^58+1212x^59+1444x^60+752x^61+914x^62+296x^63+431x^64+64x^65+166x^66+106x^68+22x^70+12x^72+1x^76

The gray image is a code over GF(2) with n=228, k=14 and d=96.
This code was found by Heurico 1.16 in 10.1 seconds.