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

generates a code of length 91 over Z4[X]/(X^3+2,2X) who´s minimum homogenous weight is 90.

Homogenous weight enumerator: w(x)=1x^0+6x^90+100x^91+6x^92+1x^94+10x^95+1x^96+2x^103+1x^110

The gray image is a code over GF(2) with n=728, k=7 and d=360.
This code was found by Heurico 1.16 in 0.86 seconds.