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11 >> 12 >> 13 >> 14 >> 15 >> 16 >> 17 >> 18 >> 19 >> 20

21 >> 22 >> 23 >> 24 >> 25 >> 26 >> 27 >> 28 >> 29 >> 30

31 >> 32





1b >> 2b >> 3b >> 4b >> 5b >> 6b >> 7b >> 8b >> 9b >> 10b

11b >> 12b >> 13b >> 14b >> 15b >> 16b >> 17b >> 18b >> 19b >> 20b

21b >> 22b >> 23b >> 24b >> 25b >> 26b >> 27b >> 28b >> 29b >> 30b

31b >> 32b >> 33b >> 34b >> 35b >> 36b >> 37b >> 38b >> 39b >> 40b

41b >> 42b >> 43b >> 44b >> 45b >> 46b >> 47b >> 48b