2 1 1 2 3

1 1 2 2 1 1 1 2 4

1 1 1 1 2 1 3 2

1 1 1 1 1 1 1 3

1 1 1 1 1 2 1

1 1 2 1 1 2 2

1 1 1 1 1 1 2 3