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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)