The generator matrix

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

generates a code of length 57 over Z8 who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+209x^50+212x^51+633x^52+480x^53+825x^54+556x^55+977x^56+624x^57+925x^58+564x^59+753x^60+384x^61+520x^62+196x^63+163x^64+48x^65+65x^66+8x^67+21x^68+15x^70+11x^72+1x^74+1x^76

The gray image is a code over GF(2) with n=228, k=13 and d=100.
This code was found by Heurico 1.16 in 4.09 seconds.