The generator matrix

 1  1  1  1  1  2  1  1
 0 12  0  0  0  8  4  0
 0  0 12  0  4  0  8  0
 0  0  0 12  4  4 12  0
 0  0  0  0  8  8  0  0

generates a code of length 8 over Z16 who´s minimum homogenous weight is 4.

Homogenous weight enumerator: w(x)=1x^0+38x^4+34x^5+57x^6+216x^7+1341x^8+236x^9+66x^10+24x^11+28x^12+2x^13+5x^14

The gray image is a code over GF(2) with n=64, k=11 and d=16.
This code was found by Heurico 1.16 in 0.00254 seconds.