idnr: 18

1
2
			4
			3

Difficulty: Super easy (0)

idnr: 673

3			2
		3
	4
1			4

Difficulty: Super easy (0)

idnr: 386

			2
4
			1
3

Difficulty: Super easy (0)

idnr: 46

			2
3
			1
4

Difficulty: Super easy (0)