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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)