The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+36x^22+40x^23+136x^24+176x^25+328x^26+472x^27+530x^28+672x^29+534x^30+472x^31+325x^32+176x^33+110x^34+40x^35+22x^36+14x^38+10x^40+2x^42

The gray image is a code over GF(2) with n=116, k=12 and d=44.
This code was found by Heurico 1.16 in 0.249 seconds.