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

Difficulty: Super easy (0)

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

Difficulty: Umulig (5336)

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

Difficulty: Super hard (1787)

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

Difficulty: Medium (0)