The generator matrix

 1  1  1  1  1  1  1  1  1  2  2  1
 0  4  0  0  0  0  0  0  4  0  4  4
 0  0  4  0  0  0  0  0  4  4  4  0
 0  0  0  4  0  0  0  4  0  4  0  4
 0  0  0  0  4  0  0  4  0  0  4  4
 0  0  0  0  0  4  0  4  4  0  0  4
 0  0  0  0  0  0  4  4  4  4  4  4

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

Homogenous weight enumerator: w(x)=1x^0+38x^8+32x^10+372x^12+32x^14+33x^16+4x^20

The gray image is a code over GF(2) with n=48, k=9 and d=16.
This code was found by Heurico 1.16 in 0.00142 seconds.