idnr: 18

1
2
			4
			3

Difficulty: Super easy (0)

idnr: 303

	1
		2
	4
		3

Difficulty: Super easy (0)

idnr: 524

	2	4
			1
2
	3	1

Difficulty: Super easy (0)

idnr: 708

		2
2			3
4			1
	1

Difficulty: Super easy (0)