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Page 1: 12 13 14 16 17 19 20 22 23 24 26 27 28 29 30 31 32 33 34 35 ......12 13 14 16 17 19 20 22 23 24 26 27 28 29 30 31 32 33 34 35 36 37 38 39 B D B c D C D B c c c D D B c S4=73 S4=72