The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+161x^6+686x^8+2428x^10+2048x^11+5740x^12+2048x^13+2406x^14+729x^16+124x^18+12x^20+1x^22

The gray image is a code over GF(2) with n=48, k=14 and d=12.
This code was found by Heurico 1.16 in 63.1 seconds.