The generator matrix

 1  0  0  0  1  1  1  1  1  6  1  1
 0  1  0  0  0  4  5  7  5  1  2  7
 0  0  1  0  1  2  1  5  0  3  7  4
 0  0  0  1  1  3  2  7  3  3  6  6
 0  0  0  0  4  0  0  4  4  0  4  0

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

Homogenous weight enumerator: w(x)=1x^0+194x^8+416x^9+904x^10+1664x^11+1848x^12+1600x^13+1008x^14+384x^15+133x^16+32x^17+8x^18

The gray image is a code over GF(2) with n=48, k=13 and d=16.
This code was found by Heurico 1.16 in 0.162 seconds.