The generator matrix

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

generates a code of length 94 over Z4[X]/(X^2+2X+2) who´s minimum homogenous weight is 84.

Homogenous weight enumerator: w(x)=1x^0+170x^84+892x^85+2308x^86+4334x^87+6991x^88+11526x^89+15554x^90+21018x^91+24336x^92+28540x^93+29597x^94+30012x^95+24942x^96+21612x^97+15502x^98+10362x^99+6599x^100+4018x^101+1945x^102+1006x^103+444x^104+216x^105+76x^106+64x^107+36x^108+14x^109+8x^110+4x^111+14x^113+2x^114+1x^116

The gray image is a code over GF(2) with n=752, k=18 and d=336.
This code was found by Heurico 1.16 in 870 seconds.