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

Difficulty: Hard (0)

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

Difficulty: Easy (0)

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

Difficulty: Hard (0)

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

Difficulty: Super easy (0)