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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)