The generator matrix

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

generates a code of length 7 over Z4 who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+45x^4+72x^6+107x^8+24x^10+7x^12

The gray image is a code over GF(2) with n=14, k=8 and d=4.
This code was found by Heurico 1.16 in 0.000329 seconds.