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30+30
60
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9+9
18
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25+25
50
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50+50
100
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45+45
90
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20+20
40
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11+11
22
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15+15
30
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6+6
12
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10+10
20
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8+8
16
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14+14
28
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12+12
24
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13+13
26
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35+35
70
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7+7
14
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5+5
10
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40+40
80
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