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

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

Homogenous weight enumerator: w(x)=1x^0+420x^265+816x^266+612x^267+585x^268+1500x^269+2460x^270+1176x^271+1368x^272+2496x^273+3216x^274+1464x^275+1566x^276+3060x^277+3912x^278+1776x^279+1878x^280+3420x^281+3948x^282+1812x^283+1629x^284+3384x^285+4152x^286+1572x^287+1347x^288+2580x^289+3012x^290+1152x^291+960x^292+2040x^293+1776x^294+732x^295+582x^296+804x^297+972x^298+372x^299+228x^300+240x^301+276x^302+72x^303+96x^304+24x^305+36x^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 34.6 seconds.