12
1 5
a
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5 5
eforc
force
2 5
ab
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3 5
aba
ababa
4 3
babb
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5 1
aaaaa
a
4 2
aabb
ba
2 8
bk
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12 2
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tf
2 2
aa
aa
3 5
abb
babba
1 19
m
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