idnr: 11159

			2
4
	3			5
	4			3
					5
		2

Difficulty: Super easy (0)

idnr: 13902

	1	4
					3


6
			1	4

Difficulty: Super easy (0)

idnr: 13764

6		1		4	3

	1	4
			4	5

1	5		6		4

Difficulty: Super easy (0)

idnr: 9908


				5
1			2
		3			4
	2

Difficulty: Super easy (0)