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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)