idnr: 633

		3
		2
	2
	1

Difficulty: Super easy (0)

idnr: 562

		2
3
			1
	2

Difficulty: Super easy (0)

idnr: 1592

		4


	3

Difficulty: Super easy (0)

idnr: 1542

1			2


2			1

Difficulty: Super easy (0)