The generator matrix

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

generates a code of length 36 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+73x^30+108x^31+395x^32+328x^33+506x^34+390x^35+659x^36+310x^37+500x^38+240x^39+293x^40+124x^41+102x^42+30x^43+23x^44+6x^45+3x^46+3x^48+2x^52

The gray image is a code over GF(2) with n=144, k=12 and d=60.
This code was found by Heurico 1.16 in 0.335 seconds.