active
f
a
b
X
mark
f
X
X
X
active
c
mark
a
active
c
mark
b
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
mark
a
active
a
mark
b
active
b
mark
c
active
c
f
mark
X1
X2
X3
f
X1
X2
X3
f
X1
mark
X2
X3
f
X1
X2
X3
f
X1
X2
mark
X3
f
X1
X2
X3
f
active
X1
X2
X3
f
X1
X2
X3
f
X1
active
X2
X3
f
X1
X2
X3
f
X1
X2
active
X3
f
X1
X2
X3
2.2
mark
b
active
b
f
X1
active
X2
X3
f
X1
X2
X3
f
mark
X1
X2
X3
f
X1
X2
X3
mark
a
active
a
active
f
a
b
X
mark
f
X
X
X
active
f
a
b
X
f
X
X
X
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
mark
c
active
c
active
c
mark
b
f
active
X1
X2
X3
f
X1
X2
X3
mark
f
X1
X2
X3
mark
X3
mark
f
X1
X2
X3
mark
X1
f
X1
X2
active
X3
f
X1
X2
X3
active
c
mark
a
f
X1
X2
mark
X3
f
X1
X2
X3
mark
f
X1
X2
X3
f
mark
X1
X2
mark
X3
f
X1
mark
X2
X3
f
X1
X2
X3
true
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
mark
f
X1
X2
X3
mark
X1
active
f
a
b
X
mark
f
X
X
X
mark
f
X1
X2
X3
mark
X3
true
a
0
21239
b
0
1
c
0
21239
f
3
1
1
2
1
3
1
0
mark
1
1
0
mark
1
1
0
f
3
0
active
1
1
0
active
1
1
0
active
f
a
b
X
mark
f
X
X
X
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
f
mark
X1
X2
X3
f
X1
X2
X3
active
f
a
b
X
mark
f
X
X
X
active
c
mark
b
mark
a
active
a
f
X1
X2
mark
X3
f
X1
X2
X3
mark
c
active
c
f
X1
active
X2
X3
f
X1
X2
X3
f
active
X1
X2
X3
f
X1
X2
X3
f
X1
mark
X2
X3
f
X1
X2
X3
f
X1
X2
active
X3
f
X1
X2
X3
mark
b
active
b
active
c
mark
a
mark
f
X1
X2
X3
active
f
mark
X1
X2
mark
X3
active
f
a
b
X
mark
f
X
X
X
true
Failed!
NaTT
certifiable-1.6