2 1 1 2 2 2 2

1 2 1 1 1 2 1

1 2 2 3 4

1 2 1 1 1 2 1 2 1 1

1 2 2 1 2 1 1 2

2 2 1 2 1 4 2

2 1 2 1 1 1 1 3

1 1 1 1 1 2 1 1 1