1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1.1
1.2
1.5
1.8
2
2.1
2.2
2.3
2.5
2.5
2.5
2.5
2.8
2.85
2.9
3
3
3