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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Super easy (0)