4 1 2 1 1 1 2

1 2 2 1 3 3 3

1 1 1 1 1 1 1

1 1 1 1 2 1 3 1 1

2 1 2 1 3 1 1 1 1

3 1 1 1 1 3 2 1 1

2 2 1 1 3 2 2

1 1 1 1 2 2 3 2

1 1 1 1 2 3 2 2

2 2 2 1 1 1 1 2 1

1 1 2 1 3 1 1 2 1

1 2 2 1 1 4 1 2 1

1 2 3 3 1 1

1 2 1 3 3 1 1