2			3		1
		1		3		2
			1
4		4		6		4
	1		1
2		1		1
	2		3			2

Difficulty: Hard

		1		2		2
2					1
	1		3			3
2			4		1
				1		2
1			3		1

Difficulty: Very Hard

		2		5		2
3			2
	1			2
3			4			3
	2		5			3
2		2			1

Difficulty: Super Hard

2		4			2
5		7		2		1
	1				2
2		4		4		2
					1
	2			3		2

Difficulty: Medium