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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)