2					8
8		1		10		9
				8	5				10
1							10	7
					2
				6
	6	10							8
9				3	6
			5		8		4		3
	4					7

Difficulty: Easy (0)

	5	8			6			2
		1			7
			10	6					3
	8		2	1					10
						3		4
	10		9
4					3	6		7
8					2	5
				7			3
	2			3			10	9

Difficulty: Very easy (0)

3
2		5			6	1		4
			4			6	7
5									2
4	5	6
							9	10	1
9									10
		8	5			2
	10		2	7			3		5
									3

Difficulty: Easy (0)

				6	5			8	9
	2			8		6
						5		3
5	10	4	8				6
		6				1	8	2	10
	8		7
			1		8			6
7	6			2	4

Difficulty: Easy (0)