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

Difficulty: Super hard (147)

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

Difficulty: Very easy (0)

							3
							2
			4	7	9
		4	3				8
	8				2	9
			9	4	1
	4
	3

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)