The generator matrix

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

generates a code of length 10 over Z8 who´s minimum homogenous weight is 6.

Homogenous weight enumerator: w(x)=1x^0+94x^6+304x^8+256x^9+732x^10+256x^11+324x^12+70x^14+11x^16

The gray image is a code over GF(2) with n=40, k=11 and d=12.
This code was found by Heurico 1.16 in 0.138 seconds.