1<?xml version="1.0" encoding="UTF-8"?> 2<out> 3 Inside an A node 4 Finished C node: A1B2C1Finished C node: A1B2C2Finished C node: A1B2C3| 5 | 6 Finished C node: A1B3C4 7 Inside an A node 8 | 9 A2B4C5D3E1,Finished C node: A2B4C5 10 Inside an A node 11 | 12 A3B5C6D4E2,| 13 A3B5C6D5E3,Finished C node: A3B5C6| 14 | 15 A3B5C7D7E4,A3B5C7D7E5,A3B5C7D7E6,| 16 Finished C node: A3B5C7| 17 A3B9C8D9E7,Finished C node: A3B9C8</out>