4.2

4.1

4.1

4.2

4.3

4.4

4.3

4.3

4.1

4.1

4.5

4.3

4.4

4.2

4.3

4.2

4.3

4.5

4.2

4.2

4.3

4.3

4.6

4.3

4.2

4.2

4.2

4.4

4.4

4.3