8
2	7
							8
			7			9		1
				7
1		5			7
	4
							1	4
						4

Difficulty: Super hard (42)

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

Difficulty: Very hard (0)

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

Difficulty: Very easy (0)

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

Difficulty: Easy (0)