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

Difficulty: Easy

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

Difficulty: Hard

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

Difficulty: Easy

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

Difficulty: Hard