3 1 1 2 3 1 1

1 3 2 1 1 3 1

1

1 1 1 2 3 2 2

3 1 1 3 1 2 1 1

2 3 1 1 1 1 1 1 1

1 1 2 1 1

2 1 1 1 3 3