N 1 1
N 2 1
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N 20 1
N 21 1
N 22 1
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N 24 1
N 25 1
N 26 1
N 27 1
N 28 1
N 29 1
N 30 1
N 31 1
N 32 1
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N 35 1
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N 37 1
N 38 1
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N 40 1
N 41 1
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N 45 1
N 46 1
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N 101 1
S