idnr: 1714

	3
	4
		4
		2

Difficulty: Super easy (0)

idnr: 3736

		2
1			3
3			2
	1

Difficulty: Super easy (0)

idnr: 2442

			2
	1	3
	3	2
1

Difficulty: Super easy (0)

idnr: 1870

2			1
		2
	3
4			3

Difficulty: Super easy (0)