idnr: 228

			4
1
			3
2

Difficulty: Super easy (0)

idnr: 234

3	4


		2	1

Difficulty: Super easy (0)

idnr: 377


3		4
	1		2

Difficulty: Super easy (0)

idnr: 66

	1
		4
	2
		3

Difficulty: Super easy (0)