The generator matrix

 1  0  0  1  1  1  1  1  1  1  1 3X  1  1  1  1  1  1
 0  1  0  0  X 2X 4X 3X+1 3X+4  2  3  1 3X+3  2  1  3 4X+1  1
 0  0  1  1 3X+2  3  4 3X+3 3X+3 4X+3  3 3X+1 3X+1  0  4  X X+2  1
 0  0  0 3X 4X 2X  0 3X 4X  X  0 2X  X 2X 4X 2X 3X 2X

generates a code of length 18 over Z5[X]/(X^2) who´s minimum homogenous weight is 60.

Homogenous weight enumerator: w(x)=1x^0+292x^60+820x^61+360x^62+720x^63+400x^64+2772x^65+4140x^66+920x^67+1340x^68+3200x^69+10704x^70+11260x^71+2080x^72+4160x^73+6400x^74+14188x^75+11280x^76+1640x^77+1280x^78+84x^80+72x^85+12x^90

The gray image is a linear code over GF(5) with n=90, k=7 and d=60.
This code was found by Heurico 1.16 in 1.57 seconds.