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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)