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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)