The generator matrix

 1  1  1  1  1  1  1  1  2  2  2  0  4  0  1  2  1  1  1  2  1  1
 0  2  0  2  0  0  2  6  0  2  2  2  2  4  0  4  2  6  0  4  0  0
 0  0  2  2  0  6  2  0  2  2  0  4  2  2  6  2  2  0  0  2  0  0
 0  0  0  4  0  0  0  0  0  0  0  4  0  4  4  0  0  4  0  4  0  0
 0  0  0  0  4  0  0  0  0  0  0  0  0  0  4  4  0  4  0  0  4  4
 0  0  0  0  0  4  0  0  0  0  0  4  4  0  0  4  0  0  4  4  4  4
 0  0  0  0  0  0  4  0  0  0  0  4  0  4  4  4  0  0  4  0  0  0
 0  0  0  0  0  0  0  4  0  0  0  0  4  4  4  4  0  0  0  4  0  0
 0  0  0  0  0  0  0  0  4  0  0  0  0  4  0  4  4  4  4  0  4  4
 0  0  0  0  0  0  0  0  0  4  0  0  4  0  0  4  4  4  0  4  0  0
 0  0  0  0  0  0  0  0  0  0  4  4  0  0  0  4  4  4  0  4  4  4

generates a code of length 22 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+124x^12+136x^14+1058x^16+256x^17+1568x^18+2304x^19+3412x^20+5632x^21+3760x^22+5632x^23+3448x^24+2304x^25+1568x^26+256x^27+1060x^28+136x^30+101x^32+12x^36

The gray image is a code over GF(2) with n=88, k=15 and d=24.
This code was found by Heurico 1.16 in 4.81 seconds.