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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Hard (0)