| | 1 . | | | | | | | | | 2 . | | | 2021 | | A B C A | | | | | | | | B | | C | | | | 3 . | | | | | | 4 . | | A | 2000 B C | 1000 | 5 . | | | | | | | 6 . | | | | | | | | |