The generator matrix

 1  0  0  0  1  1  1  X  1  1  1  1  1  1  0 aX  1  1  1  1  1  1  1  1 (a+1)X  1
 0  1  0  0  1  X (a+1)X+1  1  a X+a a+1 X+a+1 aX  1  1  X  a (a+1)X+a+1 X+1  X X+a (a+1)X+a (a+1)X+1 aX+a (a+1)X (a+1)X
 0  0  1  0 a+1 (a+1)X+1  a (a+1)X+1  0 aX+1  1 (a+1)X (a+1)X (a+1)X+1 (a+1)X+a  1 aX+1 (a+1)X+a+1 aX+a  1 (a+1)X+a+1 (a+1)X+a aX (a+1)X+a  0  X
 0  0  0  1  1 a+1  a aX+a+1  a X+1 aX+a (a+1)X+1 X+1 X+a+1 aX+a a+1 X+a (a+1)X+1 aX+a+1 aX  a (a+1)X X+1 (a+1)X+1  1 aX+1
 0  0  0  0 (a+1)X  0 (a+1)X  0  X  X  X  X (a+1)X aX  X (a+1)X (a+1)X aX  0 aX (a+1)X  X aX (a+1)X aX  0

generates a code of length 26 over F4[X,sigma]/(X^2) who´s minimum homogenous weight is 63.

Homogenous weight enumerator: w(x)=1x^0+252x^63+561x^64+576x^65+1260x^66+2088x^67+2385x^68+3732x^69+4776x^70+7608x^71+6267x^72+10608x^73+13704x^74+19296x^75+12654x^76+22968x^77+24384x^78+30780x^79+15414x^80+22704x^81+19884x^82+17880x^83+8706x^84+6996x^85+3576x^86+1968x^87+1038x^88+54x^92+12x^96+9x^100+3x^104

The gray image is a linear code over GF(4) with n=104, k=9 and d=63.
This code was found by Heurico 1.16 in 73.8 seconds.