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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Very easy (0)