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

Difficulty: Easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)