3			2		3				2			2		1
								1			3			4		2
2		2			3
						4			4		6			7		5
	3		1		3			1
		4		3		3						1		5		4
3					1				3		6		1
		5		5		3		5		3		3		8		4
	1				4		2		1		2
2		6		4		1		3		3		2		6		3
			1		7		3				2		1
2		6		1						4		3		7		4
								1			3		1		1
3		7			5		3			4
											3			2		1
1		5			4			1
	1			2		2				3			2		2

Difficulty: Easy

	2			2		2		2		2		2			1
							2		3		3			3		3
1		1		4		4		1							1
	4		1				1		1			2		3		3
		3		5		5		5			5		5		3
2			1		4		2		1							2
	2							2							2
3		3			6		6		6		4		5			2
	2														1
3			1				2		6		7		7			5
	3				4			4		1
3		1							1		3		4			4
	4		4		4			6		6		1			1
3		1					1									2
	2		1					2		5			3		3
2		3			3		3		1							1
	1			2		3		3		2		1			2

Difficulty: Very Hard

		2		3		3		2					2		1
2			3		3		1			4		5		4		4
						3			1
		2			2			1		4		6		6		4
2			2			3			2				2
				2			2			1				5		5
		2							3			4
2				3		2				1				3		5
			2				4		4				3
2		4				1		1		3		5				3
				5			4							2
2		5							1			2
			1					2		4			2			2
4		7		7			3		1		4			4
					1					2
1		2		4		2		2			4		1			1
	1		3		3					3		3		2

Difficulty: Very Hard

	1		2		1			3		2		1		2		2
				1			3		1		1		2		2
2			5		4			2		5		4		1
							3		2
	4		6		3			2		5		7			4
2									2							2
				2			4			2		5			3
	4		3		1			1					1			2
		1		3					4			3
2					3		5						5		4
	3			5		1			4			5
					1		3			1						2
2								1			2		4		2
	4			6		4			1			3
2			1				1				3		3			2
	1			3		5			1			1
2			3		2			2			3		3		1

Difficulty: Hard