idnr: 165

	2	4
			2
3
	1	3

Difficulty: Super easy (0)

idnr: 251

	4
2			4
1			3
		1

Difficulty: Super easy (0)

idnr: 156

	1	4
			3
1
	2	3

Difficulty: Super easy (0)

idnr: 450

		3	1


2	4

Difficulty: Super easy (0)