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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Super easy (0)