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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)