The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  2  1  1
 0  2  0  0  0  0  0  0  0  0  0  0  0  2  0  2  2
 0  0  2  0  0  0  0  0  0  0  0  0  2  2  2  2  2
 0  0  0  2  0  0  0  0  0  0  0  0  2  0  0  2  2
 0  0  0  0  2  0  0  0  0  0  0  0  2  2  2  0  0
 0  0  0  0  0  2  0  0  0  0  0  2  2  2  0  2  2
 0  0  0  0  0  0  2  0  0  0  0  2  0  0  0  2  2
 0  0  0  0  0  0  0  2  0  0  0  2  0  2  2  2  2
 0  0  0  0  0  0  0  0  2  0  0  2  0  2  2  0  0
 0  0  0  0  0  0  0  0  0  2  0  2  2  0  2  0  0
 0  0  0  0  0  0  0  0  0  0  2  2  2  0  2  2  2

generates a code of length 17 over Z4 who´s minimum homogenous weight is 8.

Homogenous weight enumerator: w(x)=1x^0+112x^8+364x^12+1774x^16+1024x^18+568x^20+224x^24+28x^28+1x^32

The gray image is a code over GF(2) with n=34, k=12 and d=8.
This code was found by Heurico 1.16 in 0.133 seconds.