The generator matrix

 1  0  1  1  1  0  1  1  1  1  1  1
 0  1  3  6  1  1  0  0  0  0  0  0
 0  0  4  0  0  0  0  0  0  0  0  4
 0  0  0  4  0  0  0  0  0  0  0  4
 0  0  0  0  4  0  0  0  0  0  0  4
 0  0  0  0  0  4  0  0  0  0  0  4
 0  0  0  0  0  0  4  0  0  0  0  4
 0  0  0  0  0  0  0  4  0  0  0  4
 0  0  0  0  0  0  0  0  4  0  0  4
 0  0  0  0  0  0  0  0  0  4  0  4
 0  0  0  0  0  0  0  0  0  0  4  4

generates a code of length 12 over Z8 who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+74x^4+32x^5+64x^6+224x^7+719x^8+672x^9+2496x^10+7264x^11+9676x^12+7264x^13+2496x^14+672x^15+719x^16+224x^17+64x^18+32x^19+74x^20+1x^24

The gray image is a code over GF(2) with n=48, k=15 and d=8.
This code was found by Heurico 1.16 in 0.57 seconds.