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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)