idnr: 556

4			3
		4
	2
1			2

Difficulty: Super easy (0)

idnr: 574

			3
4
			1
2

Difficulty: Super easy (0)

idnr: 546

	2		3


4		1

Difficulty: Super easy (0)

idnr: 415


		2	3
4	1

Difficulty: Super easy (0)