The generator matrix

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

generates a code of length 8 over Z8 who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+83x^4+128x^5+422x^6+896x^7+1031x^8+896x^9+436x^10+128x^11+69x^12+6x^14

The gray image is a code over GF(2) with n=32, k=12 and d=8.
This code was found by Heurico 1.16 in 0.00804 seconds.