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

generates a code of length 47 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 34.

Homogenous weight enumerator: w(x)=1x^0+33x^34+105x^36+152x^38+189x^40+286x^42+515x^44+768x^46+4096x^47+768x^48+532x^50+295x^52+184x^54+123x^56+74x^58+45x^60+16x^62+6x^64+3x^66+1x^80

The gray image is a code over GF(2) with n=188, k=13 and d=68.
This code was found by Heurico 1.16 in 4.2 seconds.