idnr: 397

3			4
	4
		1
1			2

Difficulty: Super easy (0)

idnr: 355

2	3


		1	4

Difficulty: Super easy (0)

idnr: 382

4
1
			2
			3

Difficulty: Super easy (0)

idnr: 691

2
	1	2
	4	3
			4

Difficulty: Super easy (0)