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

Difficulty: Hard

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

Difficulty: Very Hard

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

Difficulty: Easy

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

Difficulty: Medium