The generator matrix

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

generates a code of length 54 over Z4[X]/(X^2+2,2X) who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+90x^49+222x^50+234x^51+262x^52+244x^53+207x^54+200x^55+109x^56+142x^57+123x^58+50x^59+53x^60+32x^61+21x^62+28x^63+22x^64+4x^65+3x^66+1x^68

The gray image is a code over GF(2) with n=216, k=11 and d=98.
This code was found by Heurico 1.16 in 0.192 seconds.