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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Hard (0)

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

Difficulty: Super easy (0)