The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  X  X  1  1  1  1  X  X  1  1  1  1  X  X  X  X X^2  0  1 X^2  2  X  X  1  1  1 X^2  X  X  X  X X^2 X^2  0  2  1 X^2  2  0  X X^2  X  1  1  1
 0 X^2+2  2 X^2  0 X^2+2  2 X^2  0 X^2+2  2 X^2  0 X^2+2  2 X^2  0 X^2+2  2 X^2 X^2+2 X^2  0 X^2+2  2 X^2 X^2+2 X^2  0  2 X^2+2 X^2  0  2 X^2+2 X^2 X^2+2 X^2  0 X^2 X^2  2  0  2 X^2+2 X^2  2 X^2+2 X^2  0  2 X^2+2 X^2 X^2 X^2  0  0  2  2  2  2  0 X^2+2  0  0

generates a code of length 65 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+34x^65+17x^66+2x^67+4x^68+2x^69+1x^70+2x^71+1x^72

The gray image is a code over GF(2) with n=520, k=6 and d=260.
This code was found by Heurico 1.16 in 0.172 seconds.