1 2 1

3 3 1 2 1 2 3

1 1

1 2 4 1 1 2

1 1

2 1 1 1 1 1 4 4

1 1 3 1 1 1 5

1 1 1 4 1 1 3 2

4 2 3 1 1 2 3

1 1 1 2 2 1 1 2

2 1 1 1

2 2 2 2 1 1

1 1 2 1 1 1 1 1

1 1 3 1 4 1 1 2