1 2 1 1 3 1 1

2 3 1 1 3 2

1 1 1 1

2 2 1 1 1 2 1 3

1 1 1 1 2 2 1

1 1 3 1 2 1 2 3

2 3 2 4 2 3

1 2 3 2 2 1 1