The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+400x^22+844x^23+2204x^24+3016x^25+5289x^26+6824x^27+9314x^28+9264x^29+9632x^30+7096x^31+5729x^32+2856x^33+1830x^34+712x^35+350x^36+96x^37+64x^38+12x^39+2x^40+1x^42

The gray image is a code over GF(2) with n=116, k=16 and d=44.
This code was found by Heurico 1.11 in 19 seconds.