The generator matrix

 1  0  1  1  1  0  1  0  1  2  0  0
 0  1  1  0  1  1  0  1  3  2  1  1
 0  0  2  0  0  0  0  2  0  4  6  2
 0  0  0  2  0  0  0  2  4  6  6  0
 0  0  0  0  2  0  0  2  2  2  4  0
 0  0  0  0  0  2  6  2  6  2  0  2
 0  0  0  0  0  0  4  0  0  4  4  0

generates a code of length 12 over Z8 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+156x^6+40x^7+850x^8+1032x^9+4620x^10+5072x^11+9248x^12+5072x^13+4564x^14+1032x^15+901x^16+40x^17+132x^18+8x^20

The gray image is a code over GF(2) with n=48, k=15 and d=12.
This code was found by Heurico 1.16 in 1.06 seconds.