3						8
			4				3
7		3	2		4
		1		4	7		2
4				8
5						2

Difficulty: Easy (0)

	3	6			1
7		1
8					2	6
	2
						7
	6	4					2
					4		6
		2			3	8

Difficulty: Very easy (0)

			6
8		5		6		7
					6		2
	5
						2
1		8
	2		5		4		7
				2

Difficulty: Very easy (0)

	2				5
3
4		8
		2	5	6
			7	3	2
					6		8
							5
		4				6

Difficulty: Very easy (0)