The generator matrix

 1  0  1  1  1  4  1  1  0  1  1  2
 0  1  1  0  1  1  3  4  1  4  6  6
 0  0  2  0  0  0  0  4  4  6  6  2
 0  0  0  2  0  2  2  4  2  2  6  0
 0  0  0  0  2  4  2  2  6  6  4  6

generates a code of length 12 over Z8 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+162x^8+100x^9+594x^10+656x^11+1042x^12+696x^13+612x^14+80x^15+137x^16+4x^17+10x^18+2x^20

The gray image is a code over GF(2) with n=48, k=12 and d=16.
This code was found by Heurico 1.16 in 0.0775 seconds.