3 1 1 2 1 3 1

1 2 1 3 1 3 1

1

1 1

2 1 1 1 3 1 1

1 1 3 1 1

1 1

1 2

1 2 4 2 1 1 2

1 1 1 1

1 2 1 1 3 1 1 1

1

1

1

1 1 1 2 1 2 1 1 1 1

1

1 2 3 1 1 3

1 1 2

1 1 3 2 2 2 1 1

1 1 1 1 3 1