2
	6
				2
	5
				4
			1

Difficulty: Very easy (0)

2				1
				4
	1
				6
	3
	5				3

Difficulty: Super easy (0)

2		1			5
				5
	1
6			5		4

Difficulty: Medium (0)

		1			5
			4
			3
		2
		5
4			5

Difficulty: Very easy (0)