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

Difficulty: Easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)