| | | | | | | 4 28 | | | 12 | | | | | | | | 500 | 1000 | | | | | 30 10 | | | | 2000 1000 500 | | | 20000 | 10000 5000 | | | 2 | | | | | | | | | | | 5 50 | | | | | | | | | | | | | | | | | | |