The generator matrix

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

generates a code of length 12 over Z8 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+17x^6+8x^7+86x^8+136x^9+364x^10+1136x^11+596x^12+1136x^13+374x^14+136x^15+81x^16+8x^17+12x^18+4x^20+1x^22

The gray image is a code over GF(2) with n=48, k=12 and d=12.
This code was found by Heurico 1.16 in 0.0192 seconds.