idnr: 1121

4		1


	3		2

Difficulty: Super easy (0)

idnr: 720

		1
		4
	2
	1

Difficulty: Super easy (0)

idnr: 912

		3	1
		2
	2
1	3

Difficulty: Super easy (0)

idnr: 2290

2			4
3
			3
4			2

Difficulty: Super easy (0)