5	4
	6
				6
			2	3

Difficulty: Harder (0)

	1
				5
		6		3	2
4	3		5
	5
				1

Difficulty: Super easy (0)

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

Difficulty: Super easy (0)

		4	2		5
5		6	1

Difficulty: Very easy (0)