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

Difficulty: Very Hard

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

Difficulty: Very Hard

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

Difficulty: Easy

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

Difficulty: Very easy