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

Difficulty: Hard (0)

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

Difficulty: Hard (0)

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

Difficulty: Hard (0)

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)