The generator matrix

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

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+55x^30+194x^31+267x^32+550x^33+659x^34+954x^35+791x^36+1250x^37+908x^38+970x^39+558x^40+458x^41+276x^42+182x^43+40x^44+46x^45+21x^46+4x^47+6x^48+1x^50+1x^52

The gray image is a code over GF(2) with n=148, k=13 and d=60.
This code was found by Heurico 1.16 in 1.43 seconds.