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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)