idnr: 733

	1
	2
		2
		4

Difficulty: Super easy (0)

idnr: 332

2
3
			3
			4

Difficulty: Super easy (0)

idnr: 454

	4
	1
		2
		3

Difficulty: Super easy (0)

idnr: 644

4	3	2


	2	3	4

Difficulty: Super easy (0)