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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Hard (0)

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

Difficulty: Super easy (0)