8						11	5	10	4
						1		3		6
		3		12	4	10			1		8
									9		6
4		9			7		8	12
3		6	7		5	2	10			4
	9			3	1	5		10	2		12
			11	7		12			6		3
12		4
1		11			10	6	2		8
	10		9		3
6	8	12	4						10

Difficulty: Super easy (0)

	1				4			12		11
						12	3				1
		12	7	1	10		2		3		4
		1	5	10					4
		6		5					10		12
9					3		11		2
		8		6		11					5
11		4					10		9
		5					1	6	7
4		11		2		5	12	7	8
6				3	7
	8		3			10				12

Difficulty: Hard (0)

	2	9					11			10	8
			10				1		3		2
11	8	3			5			7		6
			9			12	3	8		5	7
		5		6					12
			11	5						3
	12						2	1
		10					6		5
7	4		1	8	3			11
	7		5			11			2	12	9
9		8		10				3
3	10			12					7	8

Difficulty: Very easy (0)

	1				6		8			7	3
		2				3		1		12
		11					9		4	2	8
9				1	8		3	10
3		1	10					4			12
11	5			9	10
						11	6			4	2
2			9					7	6		10
			6	3		10	2				9
4	10	9		8					2
	3		2		4				5
8	6			12		2				11

Difficulty: Very easy (0)