The generator matrix

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

generates a code of length 84 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 82.

Homogenous weight enumerator: w(x)=1x^0+204x^82+176x^83+346x^84+128x^85+104x^86+16x^87+34x^88+12x^90+1x^100+1x^112+1x^116

The gray image is a code over GF(2) with n=672, k=10 and d=328.
This code was found by Heurico 1.16 in 0.766 seconds.