idnr: 1767


2		3
	4		1

Difficulty: Super easy (0)

idnr: 1718

		2	4
		1
	4
1	3

Difficulty: Super easy (0)

idnr: 4059

2
4	1
		2	3
			1

Difficulty: Super easy (0)

idnr: 1907

			1
			4
2
1

Difficulty: Super easy (0)