The generator matrix

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

generates a code of length 24 over GR(16,4) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+618x^60+1164x^62+2949x^64+2928x^66+8187x^68+7272x^70+15120x^72+8880x^74+12405x^76+4332x^78+1542x^80+93x^84+36x^88+9x^92

The gray image is a code over GF(4) with n=96, k=8 and d=60.
This code was found by Heurico 1.16 in 39.6 seconds.