idnr: 475


3		2
	4		1

Difficulty: Super easy (0)

idnr: 411

	3
	2
		4
		1

Difficulty: Super easy (0)

idnr: 138

		1
		3
	2
	4

Difficulty: Super easy (0)

idnr: 677

	4	1
1
			3
	3	2

Difficulty: Super easy (0)