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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)