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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)