idnr: 385

4			3


1			4

Difficulty: Very easy (0)

idnr: 745

		2
	3
		4
	1

Difficulty: Super easy (0)

idnr: 1015

			3
2		1
	2		1
1

Difficulty: Super easy (0)

idnr: 931

1
		2
	2
			3

Difficulty: Very easy (0)