active
U11
tt
V2
mark
U12
isNat
V2
active
U12
tt
mark
tt
active
U21
tt
mark
tt
active
U31
tt
N
mark
N
active
U41
tt
M
N
mark
U42
isNat
N
M
N
active
U42
tt
M
N
mark
s
plus
N
M
active
isNat
0
mark
tt
active
isNat
plus
V1
V2
mark
U11
isNat
V1
V2
active
isNat
s
V1
mark
U21
isNat
V1
active
plus
N
0
mark
U31
isNat
N
N
active
plus
N
s
M
mark
U41
isNat
M
M
N
active
U11
X1
X2
U11
active
X1
X2
active
U12
X
U12
active
X
active
U21
X
U21
active
X
active
U31
X1
X2
U31
active
X1
X2
active
U41
X1
X2
X3
U41
active
X1
X2
X3
active
U42
X1
X2
X3
U42
active
X1
X2
X3
active
s
X
s
active
X
active
plus
X1
X2
plus
active
X1
X2
active
plus
X1
X2
plus
X1
active
X2
U11
mark
X1
X2
mark
U11
X1
X2
U12
mark
X
mark
U12
X
U21
mark
X
mark
U21
X
U31
mark
X1
X2
mark
U31
X1
X2
U41
mark
X1
X2
X3
mark
U41
X1
X2
X3
U42
mark
X1
X2
X3
mark
U42
X1
X2
X3
s
mark
X
mark
s
X
plus
mark
X1
X2
mark
plus
X1
X2
plus
X1
mark
X2
mark
plus
X1
X2
proper
U11
X1
X2
U11
proper
X1
proper
X2
proper
tt
ok
tt
proper
U12
X
U12
proper
X
proper
isNat
X
isNat
proper
X
proper
U21
X
U21
proper
X
proper
U31
X1
X2
U31
proper
X1
proper
X2
proper
U41
X1
X2
X3
U41
proper
X1
proper
X2
proper
X3
proper
U42
X1
X2
X3
U42
proper
X1
proper
X2
proper
X3
proper
s
X
s
proper
X
proper
plus
X1
X2
plus
proper
X1
proper
X2
proper
0
ok
0
U11
ok
X1
ok
X2
ok
U11
X1
X2
U12
ok
X
ok
U12
X
isNat
ok
X
ok
isNat
X
U21
ok
X
ok
U21
X
U31
ok
X1
ok
X2
ok
U31
X1
X2
U41
ok
X1
ok
X2
ok
X3
ok
U41
X1
X2
X3
U42
ok
X1
ok
X2
ok
X3
ok
U42
X1
X2
X3
s
ok
X
ok
s
X
plus
ok
X1
ok
X2
ok
plus
X1
X2
top
mark
X
top
proper
X
top
ok
X
top
active
X
2.2
plus
X1
mark
X2
plus
X1
X2
proper
plus
X1
X2
proper
X2
U31
ok
X1
ok
X2
U31
X1
X2
proper
U11
X1
X2
proper
X1
proper
U41
X1
X2
X3
proper
X3
proper
isNat
X
isNat
proper
X
proper
plus
X1
X2
proper
X1
proper
plus
X1
X2
plus
proper
X1
proper
X2
plus
ok
X1
ok
X2
plus
X1
X2
active
isNat
plus
V1
V2
isNat
V1
proper
isNat
X
proper
X
proper
U21
X
U21
proper
X
active
U11
tt
V2
isNat
V2
active
U41
tt
M
N
U42
isNat
N
M
N
active
U31
X1
X2
active
X1
active
U31
X1
X2
U31
active
X1
X2
proper
U12
X
U12
proper
X
active
plus
X1
X2
active
X1
U41
mark
X1
X2
X3
U41
X1
X2
X3
U41
ok
X1
ok
X2
ok
X3
U41
X1
X2
X3
proper
U12
X
proper
X
s
mark
X
s
X
U11
mark
X1
X2
U11
X1
X2
active
plus
X1
X2
active
X2
plus
mark
X1
X2
plus
X1
X2
U42
ok
X1
ok
X2
ok
X3
U42
X1
X2
X3
proper
U42
X1
X2
X3
U42
proper
X1
proper
X2
proper
X3
proper
U42
X1
X2
X3
proper
X2
active
U42
X1
X2
X3
active
X1
top
mark
X
top
proper
X
active
isNat
s
V1
isNat
V1
active
U11
tt
V2
U12
isNat
V2
active
isNat
s
V1
U21
isNat
V1
active
s
X
s
active
X
active
plus
N
0
isNat
N
active
U41
X1
X2
X3
active
X1
proper
U42
X1
X2
X3
proper
X3
active
U11
X1
X2
active
X1
active
s
X
active
X
active
U42
X1
X2
X3
U42
active
X1
X2
X3
s
ok
X
s
X
U42
mark
X1
X2
X3
U42
X1
X2
X3
active
U11
X1
X2
U11
active
X1
X2
U12
mark
X
U12
X
active
U41
tt
M
N
isNat
N
active
plus
N
s
M
U41
isNat
M
M
N
top
ok
X
active
X
U12
ok
X
U12
X
active
plus
X1
X2
plus
X1
active
X2
proper
U42
X1
X2
X3
proper
X1
proper
U41
X1
X2
X3
proper
X1
active
U21
X
active
X
active
isNat
plus
V1
V2
U11
isNat
V1
V2
proper
U31
X1
X2
proper
X2
active
plus
N
0
U31
isNat
N
N
proper
U41
X1
X2
X3
proper
X2
U21
mark
X
U21
X
active
U12
X
active
X
proper
U11
X1
X2
U11
proper
X1
proper
X2
U31
mark
X1
X2
U31
X1
X2
active
plus
X1
X2
plus
active
X1
X2
active
U42
tt
M
N
s
plus
N
M
active
U21
X
U21
active
X
top
ok
X
top
active
X
proper
U41
X1
X2
X3
U41
proper
X1
proper
X2
proper
X3
active
plus
N
s
M
isNat
M
active
U41
X1
X2
X3
U41
active
X1
X2
X3
proper
U11
X1
X2
proper
X2
active
U12
X
U12
active
X
proper
s
X
proper
X
proper
U31
X1
X2
U31
proper
X1
proper
X2
top
mark
X
proper
X
isNat
ok
X
isNat
X
proper
U21
X
proper
X
U11
ok
X1
ok
X2
U11
X1
X2
proper
s
X
s
proper
X
proper
U31
X1
X2
proper
X1
U21
ok
X
U21
X
active
U42
tt
M
N
plus
N
M
true
top
mark
X
top
proper
X
top
ok
X
top
active
X
true
Failed!
NaTT
certifiable-1.6