The generator matrix

 1  0  0  1  1  1  6  1  1  4  4  1
 0  1  0  1  6  7  1  2  5  1  2  4
 0  0  1  1  3  2  3  1  0  2  1  4
 0  0  0  4  0  0  4  0  0  4  4  0
 0  0  0  0  4  0  4  0  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+27x^8+130x^9+223x^10+388x^11+526x^12+376x^13+218x^14+124x^15+22x^16+6x^17+7x^18

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 0.0104 seconds.