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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)