idnr: 3469

		1		2

5					1
2					3

	4		3

Difficulty: Very hard (0)

idnr: 913

		5	4
			2
					6
5
		3
		6	3

Difficulty: Very easy (0)

idnr: 3125


			5
3		2			5
1			4		2
		4

Difficulty: Very easy (0)

idnr: 3774

2			3
					2
					1
5
4
		5			3

Difficulty: Very hard (0)