The generator matrix

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

generates a code of length 49 over Z2[X]/(X^2) who´s minimum homogenous weight is 40.

Homogenous weight enumerator: w(x)=1x^0+87x^40+96x^42+312x^44+216x^46+362x^48+248x^50+298x^52+200x^54+160x^56+8x^58+44x^60+13x^64+2x^68+1x^72

The gray image is a linear code over GF(2) with n=98, k=11 and d=40.
This code was found by Heurico 1.16 in 0.493 seconds.