The generator matrix

 1  0  0  0  0  0  1  0  1  1
 0  1  0  0  0  0  0  1  2  2
 0  0  1  0  0  0  0  1  1  1
 0  0  0  1  0  0  0  1  1  3
 0  0  0  0  1  0  1  0  0  2
 0  0  0  0  0  1  1  0  3  1
 0  0  0  0  0  0  2  0  2  0
 0  0  0  0  0  0  0  2  0  2

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

Homogenous weight enumerator: w(x)=1x^0+188x^4+1128x^6+4006x^8+5752x^10+3964x^12+1176x^14+161x^16+8x^18

The gray image is a code over GF(2) with n=20, k=14 and d=4.
This code was found by Heurico 1.16 in 0.922 seconds.