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

generates a code of length 85 over Z4[X]/(X^2+2) who´s minimum homogenous weight is 80.

Homogenous weight enumerator: w(x)=1x^0+32x^80+88x^81+137x^82+290x^83+406x^84+348x^85+278x^86+188x^87+82x^88+56x^89+73x^90+50x^91+14x^92+4x^93+1x^160

The gray image is a code over GF(2) with n=680, k=11 and d=320.
This code was found by Heurico 1.16 in 0.782 seconds.