idnr: 1699

		4
4
			3
	3

Difficulty: Super easy (0)

idnr: 878


	1
		4

Difficulty: Super easy (0)

idnr: 509

1	4


		2	1

Difficulty: Super easy (0)

idnr: 734

			2
1
			1
2

Difficulty: Super easy (0)