3	5
					4
2
	6				1

Difficulty: Super easy (0)

				1	5
			6		3
					6
3
1		4
6	3

Difficulty: Super easy (0)

			5		2
			1
		1
3		6

Difficulty: Very easy (0)

2	3			4
		5
			4
	5			1	3

Difficulty: Super easy (0)