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

Difficulty: Very easy

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

Difficulty: Hard

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

Difficulty: Hard

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

Difficulty: Medium