The generator matrix

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

generates a code of length 82 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+81x^80+124x^81+138x^82+76x^83+46x^84+16x^85+22x^86+4x^87+4x^93

The gray image is a code over GF(2) with n=656, k=9 and d=320.
This code was found by Heurico 1.16 in 0.359 seconds.