The generator matrix

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

generates a code of length 31 over Z8 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+131x^22+28x^23+492x^24+280x^25+1509x^26+1232x^27+2955x^28+2792x^29+5028x^30+3640x^31+5239x^32+2792x^33+3166x^34+1200x^35+1410x^36+280x^37+375x^38+44x^39+132x^40+29x^42+11x^44+2x^46

The gray image is a code over GF(2) with n=124, k=15 and d=44.
This code was found by Heurico 1.16 in 14.3 seconds.