idnr: 1551

	4		2
1
			1
2		4

Difficulty: Super easy (0)

idnr: 1438

1			4
	4
		3
3			2

Difficulty: Super easy (0)

idnr: 536

3
	1	3
	4	1
			4

Difficulty: Super easy (0)

idnr: 1494


2	3
		1	4

Difficulty: Super easy (0)