idnr: 7446

		1	4


2	3

Difficulty: Super easy (0)

idnr: 2624


		3	4
4	1

Difficulty: Super easy (0)

idnr: 1988

4
		2
	2
			1

Difficulty: Very easy (0)

idnr: 2813

	2
	1
		4
		2

Difficulty: Super easy (0)