1.2
1.2
1.3
1.4
1.5
1.8
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2.1
2.5
3
3
3
3
3
3
3
3
3
3
3
3