1 2 3

1 2 3

1 2 3

1 2 3 4 5 6 ...14

1 2 3 4 5 6 ...10

1 2

1 2 3 4 5

1 2 3 4 5 6 ...7

1 2 3 4 5 6 ...11

1 2 3

1 2 3 4 5 6 ...31

1 2 3 4 5 6 ...25

1 2 3 4 5 6 ...13