3		2		3		2
	2			2
3			1			3
		2			1
	1		1			2
2		3		1

Difficulty: Medium

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

Difficulty: Easy

2			3		1
				1		2
	3		6		1
2				2		4
	4		7		1
1
	2		4			2

Difficulty: Hard

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

Difficulty: Super Hard