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
1.5
2
2
2
2
2
2
2.1
2.1
2.3
2.3
2.4
2.4
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.6
2.6
2.6
2.6
2.7