The generator matrix

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

generates a code of length 23 over Z8 who´s minimum homogenous weight is 16.

Homogenous weight enumerator: w(x)=1x^0+103x^16+120x^18+642x^20+1128x^22+1311x^24+520x^26+220x^28+24x^30+24x^32+2x^36+1x^40

The gray image is a code over GF(2) with n=92, k=12 and d=32.
This code was found by Heurico 1.16 in 2.83 seconds.