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

Difficulty: Easy

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

Difficulty: Very easy

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

Difficulty: Medium

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

Difficulty: Super Hard