The generator matrix

 1  0  0  1  1  1  X  1  1  1  1  0  1  X  1  0  0  1  1  1  0  X  1  1  1  0  1  1  X  0
 0  1  0  0  1  1  1  0  X X+1  1  1  0  1  1  0  1  X X+1  X  X  1  X X+1 X+1  1 X+1  1  1  X
 0  0  1  1  1  0  1  X X+1  X X+1  X  0  1  1  1  0  0  1  1  1  0 X+1  1  1 X+1  1 X+1 X+1  1
 0  0  0  X  0  0  0  0  0  X  X  X  X  0  X  0  0  X  0  X  X  X  0  0  0  X  X  X  X  0
 0  0  0  0  X  0  0  X  X  0  0  X  X  X  X  0  X  0  X  X  X  0  0  0  0  0  X  0  X  X
 0  0  0  0  0  X  0  0  0  0  0  0  0  X  X  X  0  X  X  0  X  X  0  0  X  0  X  X  X  X

generates a code of length 30 over Z2[X]/(X^2) who´s minimum homogenous weight is 26.

Homogenous weight enumerator: w(x)=1x^0+126x^26+118x^28+94x^30+45x^32+78x^34+26x^36+18x^38+2x^40+4x^42

The gray image is a linear code over GF(2) with n=60, k=9 and d=26.
As d=26 is an upper bound for linear (60,9,2)-codes, this code is optimal over Z2[X]/(X^2) for dimension 9.
This code was found by Heurico 1.16 in 44.6 seconds.