idnr: 672

		3
		1
	1
	4

Difficulty: Super easy (0)

idnr: 2050

	3	1
	2
		2
	1	3

Difficulty: Super easy (0)

idnr: 1883

	1	4
	3
		3
	4	1

Difficulty: Super easy (0)

idnr: 745

	1		2


2		4

Difficulty: Super easy (0)