The generator matrix

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

generates a code of length 25 over F4[X,sigma]/(X^2) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+39x^60+48x^63+297x^64+156x^65+288x^67+927x^68+336x^69+576x^71+2646x^72+936x^73+864x^75+3768x^76+1104x^77+1296x^79+2316x^80+540x^81+114x^84+78x^88+45x^92+6x^96+3x^100

The gray image is a linear code over GF(4) with n=100, k=7 and d=60.
This code was found by Heurico 1.16 in 0.433 seconds.