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

generates a code of length 94 over GR(16,4) who´s minimum homogenous weight is 275.

Homogenous weight enumerator: w(x)=1x^0+792x^275+342x^276+900x^279+312x^280+624x^283+156x^284+264x^287+75x^288+288x^291+48x^292+72x^295+36x^296+36x^299+24x^300+60x^303+24x^304+36x^307+3x^308+3x^340

The gray image is a code over GF(4) with n=376, k=6 and d=275.
This code was found by Heurico 1.16 in 0.531 seconds.