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

generates a code of length 82 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 78.

Homogenous weight enumerator: w(x)=1x^0+68x^78+16x^79+240x^80+112x^81+184x^82+112x^83+198x^84+16x^85+36x^86+38x^88+2x^92+1x^128

The gray image is a code over GF(2) with n=656, k=10 and d=312.
This code was found by Heurico 1.16 in 0.609 seconds.