b
c
a
b
b
c
x1
a
b
c
b
b
c
a
x1
2.2
b
c
a
b
b
c
x1
b
b
c
a
x1
b
c
a
b
b
c
x1
b
c
a
x1
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
true
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
b
c
a
b
b
c
x1
b
c
a
x1
b
c
a
b
b
c
x1
b
b
c
a
x1
true
a
1
2438
b
1
2438
c
1
1
1
b
1
1
0
b
c
a
b
b
c
x1
b
c
a
x1
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
b
c
a
b
b
c
x1
a
b
c
b
b
c
a
x1
b
c
a
b
b
c
x1
b
c
a
x1
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
true
a
1
1
0
b
1
1
8366
c
1
1
0
b
1
1
0
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
b
c
a
b
b
c
x1
a
b
c
b
b
c
a
x1
b
c
a
b
b
c
x1
b
c
b
b
c
a
x1
true
2
1
a
1
0
1
0
0
1
1
1
b
1
1
0
0
0
1
1
38212
c
1
0
0
0
1
1
38210
1
b
1
0
0
1
0
1
0
0
b
c
a
b
b
c
x1
a
b
c
b
b
c
a
x1
NaTT
certifiable-1.6