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

Difficulty: Harder (0)

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

Difficulty: Harder (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)