s
s
0
f
s
0
g
x
h
x
x
s
x
h
x
0
s
x
h
0
x
f
g
x
g
g
f
x
g
s
x
s
s
g
x
h
f
x
g
x
f
s
x
s
0
k
0
s
k
0
0
s
s
0
k
s
0
k
s
0
0
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
h
k
x
g
x
k
s
x
2.2
g
s
x
s
s
g
x
k
s
s
0
s
s
s
s
s
s
0
h
f
x
g
x
f
s
x
k
s
s
0
s
s
s
0
h
k
x
g
x
k
s
x
h
k
x
g
x
s
x
h
f
x
g
x
s
x
s
s
0
f
s
0
k
s
s
0
s
s
s
s
s
0
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
s
x
h
0
x
f
g
x
g
f
x
s
x
h
x
0
s
0
k
0
f
g
x
g
g
f
x
g
s
x
s
g
x
g
x
h
x
x
k
s
s
0
s
s
s
s
0
s
s
0
k
s
0
g
s
x
g
x
f
g
x
f
x
true
f
g
x
f
x
g
s
x
g
x
h
f
x
g
x
s
x
s
s
0
k
s
0
h
k
x
g
x
s
x
k
s
s
0
s
s
s
s
0
g
x
h
x
x
g
s
x
s
g
x
f
g
x
g
g
f
x
h
k
x
g
x
k
s
x
k
s
s
0
s
s
s
0
h
f
x
g
x
f
s
x
f
g
x
g
f
x
k
s
s
0
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
s
0
s
s
s
s
s
0
g
s
x
s
s
g
x
s
s
0
f
s
0
true
2
1
h
2
0
0
s
1
0
0
k
1
0
0
f
1
1
1
1
1
1
0
0
0
0
0
0
h
2
54076
0
k
1
54075
0
s
1
54075
0
f
1
1
0
1
1
1
0
0
g
1
54077
27039
g
1
1
27039
27039
k
s
s
0
s
s
s
s
s
0
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
0
k
s
s
0
s
s
s
0
k
s
s
0
s
s
s
s
0
s
s
0
k
s
0
g
s
x
g
x
s
x
h
0
x
s
0
k
0
s
s
0
f
s
0
s
x
h
x
0
f
g
x
g
g
f
x
s
s
0
k
s
0
h
f
x
g
x
f
s
x
h
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x
g
x
k
s
x
s
s
s
s
s
s
s
s
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0
k
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0
k
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0
0
s
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0
0
k
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0
s
s
s
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s
s
0
g
s
x
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x
g
x
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x
x
s
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0
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0
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0
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0
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0
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0
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0
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0
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0
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s
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0
k
s
s
0
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
true
2
1
h
2
0
0
1
0
2
0
1
s
1
0
0
1
0
1
0
1
k
1
0
0
1
0
1
0
1
f
1
0
0
1
1
1
0
0
0
0
1
0
h
2
54076
0
k
1
1
0
0
0
1
54073
0
s
1
0
0
1
0
1
54073
0
f
1
0
0
g
1
54077
27039
g
1
0
0
1
0
1
0
1
k
s
s
0
s
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
0
k
s
s
0
s
s
s
s
0
k
s
s
0
s
s
s
0
s
s
s
s
s
s
s
s
s
0
k
s
s
0
s
x
h
0
x
s
0
k
0
s
s
0
f
s
0
s
x
h
x
0
f
g
x
g
g
f
x
s
s
0
k
s
0
h
f
x
g
x
f
s
x
h
k
x
g
x
k
s
x
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
0
0
s
k
0
0
k
s
s
0
s
s
s
s
s
s
s
0
g
s
x
s
s
g
x
g
x
h
x
x
s
s
s
s
s
s
s
s
s
0
k
s
s
0
k
s
s
0
s
s
s
0
k
s
s
0
s
s
s
s
0
k
s
s
0
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
0
k
s
s
0
s
s
s
s
s
s
s
0
true
Failed!
NaTT
certifiable-1.6