4
				4
		4			1
2			6
	5
				3

Difficulty: Super easy (0)

2
		5	3
			2
		1
		2	4
					5

Difficulty: Super easy (0)

	6		4
				1	5
2	5
		1		5

Difficulty: Very hard (0)

	5				2
			5
				2
	3
		1
5				6

Difficulty: Very easy (0)