The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 23.

Homogenous weight enumerator: w(x)=1x^0+52x^23+190x^24+334x^25+557x^26+844x^27+1276x^28+1726x^29+2061x^30+2258x^31+2113x^32+1762x^33+1267x^34+874x^35+520x^36+266x^37+178x^38+66x^39+28x^40+8x^41+2x^43+1x^54

The gray image is a code over GF(2) with n=124, k=14 and d=46.
This code was found by Heurico 1.16 in 4.08 seconds.