idnr: 221

			4
			3
3
2

Difficulty: Super easy (0)

idnr: 725

	2


		1

Difficulty: Super easy (0)

idnr: 514


		1
	2

Difficulty: Super easy (0)

idnr: 873

1		4
4
			4
	4		1

Difficulty: Super easy (0)