The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+207x^48+68x^49+549x^50+356x^51+952x^52+672x^53+1622x^54+1232x^55+1739x^56+1528x^57+2069x^58+1160x^59+1459x^60+736x^61+919x^62+304x^63+405x^64+68x^65+178x^66+20x^67+95x^68+39x^70+4x^72+2x^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 16.3 seconds.