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

Difficulty: Super Hard

2			2			2		2
	1				2		1
2						1		2
	4		6		6		3
2								2
	2		6		6		5
3		1						2
	1		2				2
2		3			3			2

Difficulty: Very Hard

2			2		2		2
		3		5		3		1
							2
2		5		6		4		2
					2		2
2		6		5		2		3
	1				2
1		2		3		1
	2		2		3			2

Difficulty: Hard

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

Difficulty: Super Hard