The generator matrix

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

generates a code of length 29 over Z8 who´s minimum homogenous weight is 22.

Homogenous weight enumerator: w(x)=1x^0+178x^22+458x^23+1095x^24+1464x^25+2702x^26+3392x^27+4666x^28+4632x^29+4761x^30+3588x^31+2882x^32+1416x^33+909x^34+368x^35+185x^36+40x^37+25x^38+2x^39+2x^40+1x^42+1x^44

The gray image is a code over GF(2) with n=116, k=15 and d=44.
This code was found by Heurico 1.16 in 10.7 seconds.