4		2
			3	1
	1		5
		6		2
	3	1
		2		3

Difficulty: Super easy (0)

					4
	4	3
4		1		5
	5		4		1
			5	2
2

Difficulty: Very easy (0)

			5		4
5				2
		2
			1
	3				5
6		1

Difficulty: Super easy (0)

			5
5					3
	4		3
		1		6
2					1
		4

Difficulty: Very easy (0)