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

Difficulty: Super easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)