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

Difficulty: Very easy

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

Difficulty: Very easy

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

Difficulty: Hard

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

Difficulty: Very Hard