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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)