idnr: 28

		3
		4
	2
	1

Difficulty: Super easy (0)

idnr: 567

	3
	2
		1
		4

Difficulty: Super easy (0)

idnr: 120

1
			4
3
			2

Difficulty: Super easy (0)

idnr: 620

			3
	2	1
	4	3
2

Difficulty: Super easy (0)