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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)