The generator matrix

 1  1  1  1  1  1  1  1  1  2  2  1
 0  2  0  0  0  2  6  2  4  4  4  0
 0  0  2  0  2  2  2  4  6  0  4  0
 0  0  0  2  2  4  6  2  0  2  6  0
 0  0  0  0  4  4  4  0  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+24x^8+64x^9+148x^10+64x^11+430x^12+64x^13+136x^14+64x^15+23x^16+4x^18+2x^20

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 0.00546 seconds.