The generator matrix

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

generates a code of length 94 over GR(16,4) who´s minimum homogenous weight is 265.

Homogenous weight enumerator: w(x)=1x^0+600x^265+1020x^266+468x^267+84x^268+2148x^269+2460x^270+1008x^271+48x^272+3312x^273+3828x^274+1272x^275+129x^276+4644x^277+4296x^278+1632x^279+228x^280+4428x^281+4788x^282+1452x^283+273x^284+4560x^285+4296x^286+1320x^287+111x^288+3684x^289+3456x^290+1092x^291+63x^292+2532x^293+2172x^294+696x^295+60x^296+1260x^297+1020x^298+216x^299+27x^300+420x^301+264x^302+48x^303+60x^305+48x^306+12x^307

The gray image is a code over GF(4) with n=376, k=8 and d=265.
This code was found by Heurico 1.16 in 31.3 seconds.