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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)