| 2 | | | | Ⅰ Ⅱ Ⅲ Ⅳ | | 2.1 Ⅰ | 1 | | | | | 2 | | 3 | | 2.2 Ⅱ | 1 | 5 | 2 | 3 | | 2.3 Ⅲ | 1 | 3 | 2 | | | 2.4 Ⅳ | 1 | 1 | 2 | | | 3 | | | | | | | | ︹ | | | | | ︺ | | 3.1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3.2 | | | | | 3 | | | | 3.3 | | | | | | | | | | | | | | 3.4 | | | | | | | |