idnr: 471

			2
	1	3
	4	2
1

Difficulty: Super easy (0)

idnr: 230

			1
			3
4
2

Difficulty: Super easy (0)

idnr: 407

2		4


	3		1

Difficulty: Super easy (0)

idnr: 229

			1
	3	4
	2	1
3

Difficulty: Super easy (0)