The generator matrix

 1  0  0  0  1  1  1  2  0  1  1  1
 0  1  0  0  1  2  3  1  1  4  3  0
 0  0  1  0  1  3  2  3  4  3  5  0
 0  0  0  1  4  1  5  5  2  3  3  1

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

Homogenous weight enumerator: w(x)=1x^0+57x^8+280x^9+464x^10+832x^11+747x^12+960x^13+464x^14+224x^15+58x^16+8x^17+1x^20

The gray image is a code over GF(2) with n=48, k=12 and d=16.
This code was found by Heurico 1.11 in 0.0262 seconds.