0
0
0
0
x1
0
1
0
1
x1
1
0
1
0
x1
0
1
0
0
x1
2.2
1
0
1
0
x1
1
0
0
x1
0
0
0
0
x1
0
1
x1
0
0
0
0
x1
1
x1
0
0
0
0
x1
1
0
1
x1
1
0
1
0
x1
0
0
x1
1
0
1
0
x1
0
1
0
0
x1
0
0
0
0
x1
0
1
0
1
x1
true
0
0
0
0
x1
0
1
0
1
x1
1
0
1
0
x1
0
1
0
0
x1
1
0
1
0
x1
0
0
x1
0
0
0
0
x1
0
1
x1
0
0
0
0
x1
1
0
1
x1
0
0
0
0
x1
1
x1
1
0
1
0
x1
1
0
0
x1
true
0
1
1
0
1
1
1
2439
0
1
1
2439
1
1
1
2438
0
0
0
0
x1
0
1
0
1
x1
0
0
0
0
x1
0
1
0
1
x1
1
0
1
0
x1
0
1
0
0
x1
0
0
0
0
x1
0
1
0
1
x1
true
Failed!
NaTT
certifiable-1.6