The generator matrix

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

generates a code of length 26 over GR(16,4) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+360x^63+387x^64+480x^65+1272x^66+2940x^67+2367x^68+2556x^69+3756x^70+9408x^71+7395x^72+8832x^73+11280x^74+22104x^75+17274x^76+19032x^77+19608x^78+32520x^79+21732x^80+19584x^81+16152x^82+21516x^83+9576x^84+4812x^85+3228x^86+3312x^87+570x^88+54x^92+24x^96+9x^100+3x^104

The gray image is a code over GF(4) with n=104, k=9 and d=63.
This code was found by Heurico 1.16 in 78.8 seconds.