The generator matrix

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

generates a code of length 37 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 31.

Homogenous weight enumerator: w(x)=1x^0+62x^31+213x^32+222x^33+424x^34+336x^35+717x^36+326x^37+563x^38+336x^39+449x^40+170x^41+115x^42+56x^43+55x^44+18x^45+17x^46+10x^47+5x^48+1x^50

The gray image is a code over GF(2) with n=148, k=12 and d=62.
This code was found by Heurico 1.16 in 0.713 seconds.