The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+91x^22+400x^23+1119x^24+2182x^25+4022x^26+6554x^27+10696x^28+13530x^29+18010x^30+17842x^31+17513x^32+14108x^33+10990x^34+6398x^35+3973x^36+2068x^37+1015x^38+358x^39+134x^40+46x^41+16x^42+3x^44+2x^45+1x^48

The gray image is a code over GF(2) with n=124, k=17 and d=44.
This code was found by Heurico 1.11 in 75.4 seconds.