The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+187x^12+580x^16+256x^18+2297x^20+9728x^22+2308x^24+256x^26+605x^28+151x^32+15x^36

The gray image is a code over GF(2) with n=88, k=14 and d=24.
This code was found by Heurico 1.16 in 89.5 seconds.