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

Difficulty: Super easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Hard (0)

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

Difficulty: Harder (0)