The generator matrix

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

generates a code of length 72 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 68.

Homogenous weight enumerator: w(x)=1x^0+196x^68+290x^70+195x^72+156x^74+110x^76+34x^78+23x^80+7x^84+9x^88+2x^92+1x^100

The gray image is a code over GF(2) with n=288, k=10 and d=136.
This code was found by Heurico 1.16 in 0.966 seconds.