The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+60x^23+217x^24+598x^25+838x^26+1726x^27+2315x^28+4134x^29+3802x^30+5462x^31+3817x^32+3954x^33+2266x^34+1898x^35+868x^36+530x^37+198x^38+70x^39+13x^40+1x^60

The gray image is a code over GF(2) with n=124, k=15 and d=46.
This code was found by Heurico 1.16 in 12.8 seconds.