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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)

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

Difficulty: Easy (0)