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

Difficulty: Medium (0)

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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Harder (0)