a__and
tt
X
mark
X
a__plus
N
0
mark
N
a__plus
N
s
M
s
a__plus
mark
N
mark
M
a__x
N
0
0
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
and
X1
X2
a__and
mark
X1
X2
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
x
X1
X2
a__x
mark
X1
mark
X2
mark
tt
tt
mark
0
0
mark
s
X
s
mark
X
a__and
X1
X2
and
X1
X2
a__plus
X1
X2
plus
X1
X2
a__x
X1
X2
x
X1
X2
2.2
mark
and
X1
X2
a__and
mark
X1
X2
mark
plus
X1
X2
mark
X1
a__plus
N
s
M
a__plus
mark
N
mark
M
a__x
N
s
M
a__x
mark
N
mark
M
a__x
N
s
M
mark
M
a__x
N
s
M
mark
N
a__plus
N
s
M
mark
N
mark
plus
X1
X2
mark
X2
a__x
N
s
M
mark
N
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
x
X1
X2
a__x
mark
X1
mark
X2
mark
x
X1
X2
mark
X2
a__and
tt
X
mark
X
mark
and
X1
X2
mark
X1
a__plus
N
0
mark
N
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
a__plus
N
s
M
mark
M
mark
s
X
mark
X
mark
x
X1
X2
mark
X1
true
mark
x
X1
X2
mark
X1
mark
s
X
mark
X
a__plus
N
s
M
mark
N
a__plus
N
s
M
mark
M
a__x
N
s
M
mark
N
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
a__plus
N
0
mark
N
mark
and
X1
X2
mark
X1
a__and
tt
X
mark
X
a__x
N
s
M
mark
M
a__x
N
s
M
a__x
mark
N
mark
M
a__plus
N
s
M
a__plus
mark
N
mark
M
mark
x
X1
X2
mark
X2
mark
x
X1
X2
a__x
mark
X1
mark
X2
mark
plus
X1
X2
mark
X1
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
a__x
N
s
M
mark
N
mark
plus
X1
X2
mark
X2
mark
and
X1
X2
a__and
mark
X1
X2
true
a__plus
2
1
0
2
591
0
s
1
1
0
and
2
1
16911
2
2
0
a__x
2
1
15655
2
15064
0
a__x
2
1
591
2
0
0
x
2
1
591
2
0
0
a__plus
2
1
15064
2
15655
0
mark
1
1
15064
0
0
553
a__and
2
1
15067
2
15065
0
mark
1
1
0
plus
2
1
0
2
591
0
tt
0
42199
a__and
2
1
16911
2
2
0
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
plus
X1
X2
mark
X1
mark
x
X1
X2
a__x
mark
X1
mark
X2
mark
x
X1
X2
mark
X2
a__plus
N
s
M
a__plus
mark
N
mark
M
a__x
N
s
M
a__x
mark
N
mark
M
a__x
N
s
M
mark
M
a__plus
N
0
mark
N
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
a__plus
N
s
M
mark
N
mark
s
X
mark
X
a__x
N
0
0
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__and
tt
X
mark
X
a__plus
N
s
M
s
a__plus
mark
N
mark
M
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
0
0
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
a__x
X1
X2
x
X1
X2
a__and
X1
X2
and
X1
X2
mark
s
X
s
mark
X
mark
tt
tt
a__plus
X1
X2
plus
X1
X2
mark
and
X1
X2
a__and
mark
X1
X2
a__plus
N
0
mark
N
mark
x
X1
X2
mark
X2
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__plus
N
s
M
mark
N
a__plus
N
s
M
a__plus
mark
N
mark
M
a__x
N
s
M
mark
M
a__x
N
s
M
a__x
mark
N
mark
M
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
plus
X1
X2
mark
X1
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
s
X
mark
X
a__plus
N
0
mark
N
true
a__plus
2
1
0
s
1
1
0
and
2
2
1
a__x
2
2
3
a__x
2
2
1
x
2
2
1
a__plus
2
1
2
mark
1
1
2
0
0
1
a__and
2
2
mark
1
1
0
plus
2
1
0
tt
0
25074
a__and
2
2
1
a__plus
N
0
mark
N
mark
s
X
mark
X
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
plus
X1
X2
mark
X1
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
a__x
N
s
M
a__x
mark
N
mark
M
a__plus
N
s
M
a__plus
mark
N
mark
M
a__plus
N
s
M
mark
N
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__x
N
0
0
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__and
tt
X
mark
X
a__plus
N
s
M
s
a__plus
mark
N
mark
M
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
0
0
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
a__x
X1
X2
x
X1
X2
a__and
X1
X2
and
X1
X2
mark
s
X
s
mark
X
mark
tt
tt
a__plus
X1
X2
plus
X1
X2
mark
and
X1
X2
a__and
mark
X1
X2
a__plus
N
0
mark
N
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__plus
N
s
M
mark
N
a__plus
N
s
M
a__plus
mark
N
mark
M
a__x
N
s
M
a__x
mark
N
mark
M
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
plus
X1
X2
mark
X1
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
mark
s
X
mark
X
a__plus
N
0
mark
N
true
and
2
2
mark
1
1
a__and
2
2
a__plus
2
1
1
2
s
1
0
1
a__x
2
2
1
2
a__x
2
2
1
2
x
2
2
1
2
a__plus
2
1
1
2
mark
1
1
1
0
0
3
a__and
2
0
1
2
plus
2
1
1
2
tt
0
4
a__plus
2
1
0
2
0
0
s
1
1
0
a__x
2
1
0
2
0
0
a__x
2
1
0
2
0
0
x
2
1
0
2
0
0
a__plus
2
1
0
2
0
0
mark
1
1
0
0
0
0
a__and
2
1
0
2
0
0
plus
2
1
0
2
0
0
tt
0
0
a__x
N
0
0
mark
x
X1
X2
a__x
mark
X1
mark
X2
a__and
tt
X
mark
X
a__plus
N
s
M
s
a__plus
mark
N
mark
M
a__x
N
s
M
a__plus
a__x
mark
N
mark
M
mark
N
mark
0
0
mark
plus
X1
X2
a__plus
mark
X1
mark
X2
a__x
X1
X2
x
X1
X2
a__and
X1
X2
and
X1
X2
mark
s
X
s
mark
X
mark
tt
tt
a__plus
X1
X2
plus
X1
X2
mark
and
X1
X2
a__and
mark
X1
X2
a__plus
N
0
mark
N
NaTT
certifiable-1.6