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

generates a code of length 67 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 66.

Homogenous weight enumerator: w(x)=1x^0+72x^66+128x^67+38x^68+12x^70+1x^72+4x^82

The gray image is a code over GF(2) with n=536, k=8 and d=264.
This code was found by Heurico 1.16 in 3.28 seconds.