The generator matrix

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

generates a code of length 92 over GR(16,4) who´s minimum homogenous weight is 260.

Homogenous weight enumerator: w(x)=1x^0+72x^260+180x^264+48x^267+174x^268+432x^271+162x^272+1296x^275+117x^276+1296x^279+57x^280+48x^284+42x^288+51x^292+27x^296+33x^300+12x^304+12x^308+6x^312+12x^316+9x^320+3x^324+3x^332+3x^356

The gray image is a code over GF(4) with n=368, k=6 and d=260.
This code was found by Heurico 1.16 in 0.397 seconds.