idnr: 1187

			1
2
			3
4

Difficulty: Super easy (0)

idnr: 1943

			4
	1	2
	3	4
1

Difficulty: Super easy (0)

idnr: 20

	4		1


2		4

Difficulty: Super easy (0)

idnr: 98

	4
	1
		2
		4

Difficulty: Super easy (0)