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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)