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  X  1  1  0  1  1  1  1  X  1  1  1  1  1  1  X  1  1  1  1  X  1  X  X  1  1  1  X  1  1  X  1  1  0  1  X 2X 2X+2  X  1  X  1  X
 0  X  0 3X+2  2 X+2 2X+2  X  0 X+2 2X X+2 3X  2  2  X  0 X+2  2 3X  0  0 3X+2 3X 3X  X 3X 2X+2 2X+2 3X X+2  X 2X+2 2X+2 X+2  X 2X X+2 X+2 3X+2 2X  0  X X+2  2 X+2 2X+2  0 2X+2 2X  0 3X  X X+2 2X+2  X  0 2X+2 2X  X 3X+2 2X+2  X 3X+2 X+2
 0  0 2X+2  0  2  0 2X  0  2  2 2X 2X+2 2X+2 2X+2  0  2  0 2X+2 2X  0  2  2  2 2X  2 2X+2 2X+2  2  0 2X 2X 2X  0  2 2X+2  0  0 2X+2 2X+2  0 2X  2 2X+2  2 2X 2X 2X+2  0 2X  0  0 2X 2X 2X 2X+2 2X 2X 2X+2  2 2X  2 2X+2  2  2  0
 0  0  0 2X+2  0 2X 2X  2  2  2  2  0  0  2 2X+2  2 2X 2X+2 2X+2 2X  2 2X  0  2 2X  2 2X+2  0  0 2X  0  2  2  2 2X  0  2 2X+2 2X  2  0 2X+2  0  2 2X+2  2  0 2X+2  2 2X 2X 2X+2  2  0 2X+2  0 2X+2 2X+2 2X+2  0  0 2X 2X 2X+2  0
 0  0  0  0 2X 2X 2X 2X  0  0  0 2X  0 2X 2X 2X  0  0 2X 2X 2X 2X 2X  0 2X  0 2X  0 2X  0 2X 2X  0  0  0 2X 2X 2X 2X 2X 2X 2X 2X 2X  0 2X  0  0 2X 2X 2X  0  0  0 2X 2X  0  0 2X  0  0 2X  0  0  0

generates a code of length 65 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 59.

Homogenous weight enumerator: w(x)=1x^0+92x^59+167x^60+194x^61+298x^62+448x^63+625x^64+642x^65+543x^66+436x^67+224x^68+120x^69+132x^70+62x^71+26x^72+34x^73+16x^74+12x^75+9x^76+2x^77+2x^78+6x^79+4x^80+1x^98

The gray image is a code over GF(2) with n=520, k=12 and d=236.
This code was found by Heurico 1.16 in 0.656 seconds.