The generator matrix

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

generates a code of length 95 over GR(16,4) who´s minimum homogenous weight is 278.

Homogenous weight enumerator: w(x)=1x^0+852x^278+423x^280+852x^282+276x^284+600x^286+171x^288+276x^290+48x^292+228x^294+30x^296+120x^298+36x^300+60x^302+12x^304+48x^306+24x^308+36x^310+3x^344

The gray image is a code over GF(4) with n=380, k=6 and d=278.
This code was found by Heurico 1.16 in 3.48 seconds.