1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1.5
1.65
1.8
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