The generator matrix

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

generates a code of length 19 over Z8 who´s minimum homogenous weight is 12.

Homogenous weight enumerator: w(x)=1x^0+68x^12+152x^14+498x^16+1328x^18+1316x^20+536x^22+140x^24+32x^26+24x^28+1x^32

The gray image is a code over GF(2) with n=76, k=12 and d=24.
This code was found by Heurico 1.16 in 0.111 seconds.