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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)