1段: 01-02-03-04-05-06-07

2段: 08-09-10-11-12-13-14

3段: 15-16-17-18-19-20-21

4段: 22-23-24-25-26-27-28

5段: 29-30-31-32-33-34-35

6段: 36-37-38-39-40-41-42

7段: 43-44-45-46-47-48-49