The generator matrix

 1  0  1  1  1  1  1  1  1  2  1  1  1  1 2a  1  1  1  1 2a+2  1  1  1  1  0  1  1  1  1  2  1  1  1  1 2a  1  1  1  1 2a+2  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  2 2a  1  1  1  1
 0  1 2a+3  a a+1  2 2a+1 a+2 a+3  1 2a  3 3a 3a+1  1 2a+2  1 3a+2 3a+3  1  0 2a+3  a a+1  1  2 2a+1 a+2 a+3  1 2a  3 3a 3a+1  1 2a+2  1 3a+2 3a+3  1  0 2a+3  2 2a+1  a a+2 2a  3 3a a+1 a+3 3a+1 2a+2  1 3a+2 3a+3  0 2a+3  1  1  1  2 2a+1 2a  3

generates a code of length 65 over GR(16,4) who´s minimum homogenous weight is 194.

Homogenous weight enumerator: w(x)=1x^0+108x^194+96x^195+36x^198+6x^200+6x^212+3x^216

The gray image is a code over GF(4) with n=260, k=4 and d=194.
This code was found by Heurico 1.16 in 0.046 seconds.