1 2 3

0 1 2 3

0 1 2 3 4

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3 4

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

0 1 2 3

1 2 3

1 2 3

0 1 2 3

36 37 38 39 40 41

37 38 39 40

36 37 38 39 40

0 1 2 3