3			5
					7
				4		7
			7	1		3
	7		8	2
	1		2
		4
	8			3

Difficulty: Easy (0)

							2
	2					3	6
	7				3
8				7
			4				3
		1				4
1	8					2
2

Difficulty: Easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)