The generator matrix

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

generates a code of length 22 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+123x^16+306x^18+841x^20+1570x^22+828x^24+294x^26+124x^28+6x^30+3x^36

The gray image is a code over GF(2) with n=88, k=12 and d=32.
This code was found by Heurico 1.16 in 0.201 seconds.