idnr: 221

	2	1
			3
2
	4	3

Difficulty: Super easy (0)

idnr: 226

2			3
		2
	1
4			1

Difficulty: Super easy (0)

idnr: 199

4			2
		3
	4
1			3

Difficulty: Super easy (0)

idnr: 55

1
4
			3
			2

Difficulty: Super easy (0)