idnr: 78

3
			1
2
			2

Difficulty: Super easy (0)

idnr: 4646


		4

		3

Difficulty: Super easy (0)

idnr: 4349

4

		1
	3		4

Difficulty: Super easy (0)

idnr: 5271


			1
1		2
	2

Difficulty: Super easy (0)