idnr: 787

	4
	1
		1
		2

Difficulty: Super easy (0)

idnr: 774

2	3


		1	4

Difficulty: Super easy (0)

idnr: 1324

4		1
			3
3
	1		4

Difficulty: Super easy (0)

idnr: 545


	1		3
3		2

Difficulty: Super easy (0)