The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+253x^8+264x^9+1144x^10+1248x^11+2283x^12+1328x^13+1256x^14+224x^15+150x^16+8x^17+32x^18+1x^20

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 0.792 seconds.