| | | | | | | | | 2.3 | | | | | | 5 | 6 7 8 | | | | | | | | | 1 3 | 3 | | | | + | + | | | 1000 | 180 1850 | | 1000 | | | | | | | | | | | | | | | | | | | | | | | | |