| | 1/3 | 1/3 | 1/3 | | | | | | | | | | | | | | | | B C | 20 B | | | | | | | | | | | | | 1 | | 2 | | | 3 | | 4 | | 5 | | 6 | | 7 | 8 | | 9 | | 10 | 11 | | | | | | | | | | |