1 3 1 1 3 1 3

1 1 1 1

1 1 3 1 1 3 1

1 2 1 1 1 1 1 1 1 2

2 1 1 2 2 1 2

2 2 1 1 1 1 1 1 1

1 2 1 1 1 1 1

2 2 3 1 1 1 1

1 1 1 1 2 1 4 2

2 2 1 3 1 1 3

1 1 2 1 1 1 1 2

3 1 1 2 2 1 1 1

1 4 2 1 1