The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+103x^48+136x^49+503x^50+392x^51+1021x^52+784x^53+1569x^54+1076x^55+1905x^56+1276x^57+2023x^58+1236x^59+1624x^60+764x^61+884x^62+348x^63+412x^64+108x^65+117x^66+20x^67+49x^68+4x^69+17x^70+3x^72+5x^74+2x^76+2x^78

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 8.22 seconds.