The generator matrix

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

generates a code of length 10 over Z4 who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+29x^4+24x^6+130x^8+144x^10+130x^12+24x^14+29x^16+1x^20

The gray image is a code over GF(2) with n=20, k=9 and d=4.
This code was found by Heurico 1.16 in 0.00107 seconds.