idnr: 118

3		4


	2		1

Difficulty: Super easy (0)

idnr: 215

		1	4


2	3

Difficulty: Super easy (0)

idnr: 662

2
	4	2
	1	3
			1

Difficulty: Super easy (0)

idnr: 306

		4
	1
		2
	3

Difficulty: Super easy (0)