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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very hard (0)

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

Difficulty: Very easy (0)