4
	2
				3
	5
				5
		2

Difficulty: Super easy (0)

		4
	5
	3				4
2				6
				2
			1

Difficulty: Super easy (0)

			1
1
	3			4
	2			3
					5
		4

Difficulty: Super easy (0)

	3		4
				1	4
6	1
		5		6

Difficulty: Super easy (0)