idnr: 890

	1
	2
		3
		4

Difficulty: Super easy (0)

idnr: 688

		1	2
	4
		2
1	2

Difficulty: Super easy (0)

idnr: 1014


	4	1
	2	3

Difficulty: Super easy (0)

idnr: 938


1			3
2			4

Difficulty: Super easy (0)