The generator matrix

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

generates a code of length 61 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 58.

Homogenous weight enumerator: w(x)=1x^0+286x^58+332x^59+441x^60+184x^61+315x^62+200x^63+137x^64+24x^65+69x^66+28x^67+21x^68+8x^74+1x^78+1x^82

The gray image is a code over GF(2) with n=488, k=11 and d=232.
This code was found by Heurico 1.16 in 0.188 seconds.