The generator matrix

 1  0  1  1  1  6  1  1  0  1  1  0
 0  1  3  6  1  1  0  3  1  0  3  1
 0  0  4  0  0  0  0  0  4  0  4  4
 0  0  0  4  0  0  0  0  4  4  0  4
 0  0  0  0  4  0  0  4  4  0  0  4
 0  0  0  0  0  4  0  4  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 8.

Homogenous weight enumerator: w(x)=1x^0+39x^8+96x^9+192x^10+672x^11+48x^12+672x^13+192x^14+96x^15+39x^16+1x^24

The gray image is a code over GF(2) with n=48, k=11 and d=16.
This code was found by Heurico 1.16 in 0.0116 seconds.