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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)