1.1

1.2

1.3

1.4

1.5

2.1

2.2

2.3

1.6

1.7

1.8

3.1

2.4

2.5

2.6

2.7

4.1

3.2

3.3

3.4

2.8

5.1

5.2

5.3

4.2

4.3

3.5

3.6

3.7

5.4

5.5

6.1

4.4

4.5

4.6

3.8

5.6

5.7

5.8

6.2

4.7

4.8

6.3

6.4

6.5

6.6

6.7

6.8