The generator matrix

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

generates a code of length 74 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 72.

Homogenous weight enumerator: w(x)=1x^0+270x^72+224x^76+12x^80+2x^88+3x^96

The gray image is a code over GF(2) with n=296, k=9 and d=144.
This code was found by Heurico 1.16 in 80.1 seconds.