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

Difficulty: Very Hard

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

Difficulty: Easy

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

Difficulty: Hard

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

Difficulty: Very Hard