2
	4		3		7		6
	2		6
	3		7
				5		1
				8		6
1		7		3		8
							1

Difficulty: Super easy (0)

		2		4	3	1
3							7
			7
	5	4	6
				1	5	8
				7
7							8
	1	8	3		2

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

					6
	7		8			1	5
		1				2
		6	3				1
2				4	7
	4				5
5	8			6		4
		2

Difficulty: Super easy (0)