The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+88x^49+165x^50+248x^51+484x^52+498x^53+588x^54+858x^55+855x^56+762x^57+834x^58+858x^59+569x^60+482x^61+403x^62+178x^63+111x^64+62x^65+48x^66+30x^67+23x^68+28x^69+5x^70+4x^71+4x^72+5x^74+1x^80

The gray image is a code over GF(2) with n=228, k=13 and d=98.
This code was found by Heurico 1.16 in 84.5 seconds.