The generator matrix

 1  0  0  0  1  1  1  1  2  1  1  1
 0  1  0  0  1  2  0  7  1  0  0  4
 0  0  1  0  1  0  3  2  1  2  0  4
 0  0  0  1  1  3  0  2  3  2  0  0
 0  0  0  0  2  2  6  2  0  0  4  0
 0  0  0  0  0  4  0  0  4  0  4  0
 0  0  0  0  0  0  4  4  0  4  4  0

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

Homogenous weight enumerator: w(x)=1x^0+216x^6+64x^7+1479x^8+2880x^9+5416x^10+17536x^11+10352x^12+17536x^13+5416x^14+2880x^15+1479x^16+64x^17+216x^18+1x^24

The gray image is a code over GF(2) with n=48, k=16 and d=12.
This code was found by Heurico 1.16 in 2.91 seconds.