The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  1  1  1  X  1  1  1  1  X  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0 a*X a*X  1  1  1  1  1  1  1  1  1  X  1  1
 0  1  1  a a^2*X+a^2  0 a^2*X+1 a^2*X+a^2  a  1 a*X+a^2  X a^2*X+1 X+a  1  X  1 X+a a*X+a^2  1  0  X a^2*X+1 a*X+1 a*X+1 X+a a*X+a a*X+a a*X a*X a*X+1  a a^2*X+a^2 a*X+a^2 X+a^2 X+a^2 a*X  1 a*X+a X+a^2  1  1  1 a*X  0  X a^2*X+1  a a^2 a*X+1 X+a a^2 a^2*X  1 a*X+a
 0  0 a^2*X a*X  X  X  0 a^2*X  0 a*X a*X a^2*X a*X  X  X a*X  X a^2*X  0 a^2*X a*X  X  X a^2*X  0 a*X  0  X a^2*X  0 a*X a^2*X  0 a^2*X  X a*X  X  0 a*X  0  X  0 a^2*X a*X a^2*X  0 a^2*X  X a^2*X  X  0 a*X a*X a*X a^2*X

generates a code of length 55 over F4[X]/(X^2) who´s minimum homogenous weight is 161.

Homogenous weight enumerator: w(x)=1x^0+132x^161+252x^162+27x^164+180x^165+288x^166+27x^168+24x^169+6x^172+36x^173+12x^177+36x^178+3x^188

The gray image is a linear code over GF(4) with n=220, k=5 and d=161.
This code was found by Heurico 1.16 in 1.16 seconds.