The generator matrix

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

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

Homogenous weight enumerator: w(x)=1x^0+36x^85+4x^86+8x^87+9x^88+4x^89+1x^92+1x^100

The gray image is a code over GF(2) with n=340, k=6 and d=170.
This code was found by Heurico 1.16 in 0.217 seconds.