idnr: 172

			1
			2
3
4

Difficulty: Super easy (0)

idnr: 118

3		4


	2		1

Difficulty: Super easy (0)

idnr: 504

	1
4			3
1			2
		3

Difficulty: Super easy (0)

idnr: 57

	2
	3
		4
		1

Difficulty: Super easy (0)