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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Super easy (0)