2			4	7	6	1
	8		5	6
	3	2	8	7				1
8					6	1	2
			7	8	5
	4	7	2					6
4				1	8	9	3
				2	4		9
	1	6	4	3			8

Difficulty: Super easy (0)

	2		4	3		1	7
	8			5	1
3	9	2	7
		8	3				9	2
9	4						1	3
2	7				3	5
					8	9	2	1
			6	8			5
	1	4		2	5		3

Difficulty: Very easy (0)

		5	2		8		6	4
	8	9	4		3			6
				3		6		2
2			3				1
9		2				3		8
	4				1			3
7		6		8
5			7		6	1	2
4	9		8		2	5

Difficulty: Super easy (0)

5	8							7
	9	2	5	8		3
	7		1	2	8
			4		2			1
	1	8				9	4
1			8		6
			3	5	7		9
		7		6	1	4	2
3							8	5

Difficulty: Super easy (0)