active
f
a
b
X
mark
f
X
X
X
active
c
mark
a
active
c
mark
b
active
f
X1
X2
X3
f
X1
X2
active
X3
f
X1
X2
mark
X3
mark
f
X1
X2
X3
proper
f
X1
X2
X3
f
proper
X1
proper
X2
proper
X3
proper
a
ok
a
proper
b
ok
b
proper
c
ok
c
f
ok
X1
ok
X2
ok
X3
ok
f
X1
X2
X3
top
mark
X
top
proper
X
top
ok
X
top
active
X
2.2
proper
f
X1
X2
X3
proper
X1
top
mark
X
proper
X
active
f
X1
X2
X3
active
X3
f
ok
X1
ok
X2
ok
X3
f
X1
X2
X3
active
f
a
b
X
f
X
X
X
active
f
X1
X2
X3
f
X1
X2
active
X3
top
ok
X
top
active
X
f
X1
X2
mark
X3
f
X1
X2
X3
top
mark
X
top
proper
X
proper
f
X1
X2
X3
proper
X2
proper
f
X1
X2
X3
f
proper
X1
proper
X2
proper
X3
top
ok
X
active
X
proper
f
X1
X2
X3
proper
X3
true
top
mark
X
top
proper
X
top
ok
X
top
active
X
true
Failed!
NaTT
certifiable-1.6