idnr: 475

			2
			3
1
2

Difficulty: Super easy (0)

idnr: 3173

		1	4


1	3

Difficulty: Super easy (0)

idnr: 2283

			1
			4
1
3

Difficulty: Super easy (0)

idnr: 2858

4	2
3
			3
		2	4

Difficulty: Super easy (0)