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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)