| | | | 2.8 | 6 | | 3 | | | | | | | | | | | 5 20 | 5.19 | | | | | 20 1000 | | | 1000 | 2.5 | 12 | 30 | | 9 4 | 10 12 19 2 | | | 6 | 2 1000 100 | | | 5 30 | 6 | | |