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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)