The generator matrix

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

generates a code of length 38 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 30.

Homogenous weight enumerator: w(x)=1x^0+46x^30+76x^31+123x^32+192x^33+240x^34+278x^35+414x^36+462x^37+460x^38+518x^39+356x^40+294x^41+232x^42+130x^43+108x^44+74x^45+38x^46+22x^47+16x^48+2x^49+8x^50+6x^52

The gray image is a code over GF(2) with n=152, k=12 and d=60.
This code was found by Heurico 1.16 in 0.613 seconds.