The generator matrix

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

generates a code of length 59 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 50.

Homogenous weight enumerator: w(x)=1x^0+89x^50+194x^51+381x^52+628x^53+923x^54+1076x^55+1163x^56+1348x^57+1554x^58+1680x^59+1546x^60+1500x^61+1345x^62+994x^63+677x^64+506x^65+314x^66+202x^67+123x^68+44x^69+52x^70+14x^71+11x^72+6x^73+11x^74+2x^76

The gray image is a code over GF(2) with n=236, k=14 and d=100.
This code was found by Heurico 1.16 in 11.2 seconds.