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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)