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

generates a code of length 37 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+132x^30+16x^31+306x^32+96x^33+506x^34+208x^35+644x^36+352x^37+613x^38+272x^39+433x^40+64x^41+233x^42+16x^43+143x^44+51x^46+8x^48+1x^50+1x^52

The gray image is a code over GF(2) with n=148, k=12 and d=60.
This code was found by Heurico 1.16 in 0.592 seconds.