idnr: 917

1		4


	4		1

Difficulty: Super easy (0)

idnr: 874


3			4
4			1

Difficulty: Super easy (0)

idnr: 1691

1
		4
	2
			1

Difficulty: Super easy (0)

idnr: 1132

	3
4
			2
		3

Difficulty: Super easy (0)