idnr: 599

	1	4
4
			2
	2	3

Difficulty: Super easy (0)

idnr: 64

3		1


	2		4

Difficulty: Super easy (0)

idnr: 312

4
			1
3
			2

Difficulty: Super easy (0)

idnr: 22

	2
	4
		1
		3

Difficulty: Super easy (0)