The generator matrix

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

generates a code of length 64 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 61.

Homogenous weight enumerator: w(x)=1x^0+326x^61+348x^62+404x^63+146x^64+280x^65+216x^66+160x^67+24x^68+94x^69+27x^70+8x^71+4x^72+4x^75+4x^77+1x^80+1x^86

The gray image is a code over GF(2) with n=512, k=11 and d=244.
This code was found by Heurico 1.16 in 0.391 seconds.