| | | | 500 | 2500-3000 | | | | | | | | | | | | | | | | | | | | | | 300 | | | | | | | 4 6 8 12 | | 12 | | | | | 1 2 | 3 4 5 6 7 8 | 9 10 11 12 13 14 | |