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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Super easy (0)