idnr: 1481

		4
			1
2
	1

Difficulty: Super easy (0)

idnr: 495

3	4


		4	3

Difficulty: Super easy (0)

idnr: 977

			3
2
			2
1

Difficulty: Super easy (0)

idnr: 1832

	4
	3
		2
		1

Difficulty: Super easy (0)