5
				1
		5		2	4
2	3		4
	1
				6

Difficulty: Super easy (0)

	6				2
2	1				4
3				1	5
1				2

Difficulty: Very easy (0)

5		4
2
	1	5
			5	2
					6
			1		3

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)