1 2 1 2 1 2 3

1 1 1 1 1 1 3

1 1 1 1 3 3 2

3 1 1 1 1

1 1 1 1 1 1 1 3

1 1

2 2 2 2 1 1 1 1

1 2 1 1 2 1 1 1 1

3 1 2 1 2 1

1 1 1 1 2 1 2 1

1 1 1