idnr: 1827

		1
1			2
2			4
	4

Difficulty: Super easy (0)

idnr: 179


4		3
	2		4

Difficulty: Super easy (0)

idnr: 405

			2
			1
4
3

Difficulty: Super easy (0)

idnr: 1812

2
1	4
		4	1
			2

Difficulty: Super easy (0)