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

Difficulty: Very hard (0)

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

Difficulty: Umulig (3349)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)