b
a
L
x1
L
a
L
X
b
a
b
b
x1
b
L
x1
L
b
x1
2.2
b
a
L
x1
b
a
b
b
x1
b
a
L
x1
b
b
x1
b
L
x1
b
x1
b
a
L
x1
b
x1
true
b
a
L
x1
b
x1
b
L
x1
b
x1
b
a
L
x1
b
b
x1
b
a
L
x1
b
a
b
b
x1
true
a
1
1
32286
b
1
1
0
L
1
1
0
X
1
0
b
1
1
0
b
a
L
x1
b
a
b
b
x1
b
L
x1
b
x1
b
a
L
x1
L
a
L
X
b
a
b
b
x1
b
L
x1
L
b
x1
b
L
x1
b
x1
true
a
1
33954
b
1
1
1
L
1
1
1
X
1
0
b
1
1
0
b
a
L
x1
L
a
L
X
b
a
b
b
x1
b
L
x1
L
b
x1
b
a
L
x1
b
a
b
b
x1
true
Failed!
NaTT
certifiable-1.6