1 1 1 1 1 2 4

1 2 1 1 1 1 2

2 1 2 1 1 2 2

1 1 1 2 1 2 1 1 1

2 3 3 1 1

1 2 2 1 2 1 1 1

1 3 2 2 2 1 1