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

Difficulty: Super hard (1055)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)