idnr: 4553


		1
4	5				3
1				2	5
			2

Difficulty: Very hard (0)

idnr: 6219

			6		3
			2
		3
			1
		4
6		1

Difficulty: Easy (0)

idnr: 6155

				4
5	4	2


			5	1	3
	5

Difficulty: Very easy (0)

idnr: 7650

		2
				1
	6
				4
	5
			1

Difficulty: Very easy (0)