The generator matrix

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

generates a code of length 73 over Z2[X]/(X^2) who´s minimum homogenous weight is 62.

Homogenous weight enumerator: w(x)=1x^0+224x^62+531x^64+733x^66+909x^68+933x^70+842x^72+875x^74+952x^76+750x^78+569x^80+455x^82+249x^84+117x^86+40x^88+9x^90+2x^92+1x^96

The gray image is a linear code over GF(2) with n=146, k=13 and d=62.
This code was found by Heurico 1.16 in 25.3 seconds.