idnr: 2303

	1
4			2
1			3
		2

Difficulty: Super easy (0)

idnr: 264


	2		1
1		4

Difficulty: Super easy (0)

idnr: 374

		4	1


3	2

Difficulty: Super easy (0)

idnr: 533

4		2


	2		1

Difficulty: Super easy (0)