The generator matrix

 1  0  1  1  1  4  1  1  1  1  4  1
 0  1  1  0  3  1  0  1  2  5  2  0
 0  0  2  0  2  4  2  4  2  4  4  0
 0  0  0  2  2  6  6  2  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+37x^8+72x^9+89x^10+228x^11+126x^12+300x^13+98x^14+28x^15+28x^16+12x^17+5x^18

The gray image is a code over GF(2) with n=48, k=10 and d=16.
This code was found by Heurico 1.16 in 0.0043 seconds.