The generator matrix

 1  1  1  1  2  2  1  1
 0  2  0  2  0  2  8  8
 0  0  2  2  2  2  0  0
 0  0  0  4  0  0  4  8
 0  0  0  0  4 12  0 12
 0  0  0  0  0  8  8  8

generates a code of length 8 over Z16 who´s minimum homogenous weight is 3.

Homogenous weight enumerator: w(x)=1x^0+26x^3+87x^4+530x^5+1622x^6+7124x^7+13983x^8+7124x^9+1636x^10+530x^11+73x^12+26x^13+6x^14

The gray image is a code over GF(2) with n=64, k=15 and d=12.
This code was found by Heurico 1.16 in 0.207 seconds.