10		15						3	9					2
					5	9				14		10		12
		3			2	15	11		6						14
		12					8			11			15		13
2							16				7
				5			13					7		11
				10					14
7										5					8
5					14										3
						13					14
	9		8					15			16
				11				10							7
8		4			12			16					2
12						5		9	15	4			13
	3		16		13				8	10
9					11	4						8		3

Difficulty: Easy (0)

							7				14		2		15
			4				15	11			3
									2				4	10
				10					4			1
		8			14			13	11			7
		1	11		16
			3		10	9			14					8
			9								1				4
6				15								2
	11					8			1	5		4
										4		12	13
			7			1	5			8			10
			1			16					13
	9	11				4
				9			2	1				16
16		15		8				6

Difficulty: Very easy (0)

		13	11			8		4					15
				7								13		4
6						4	3	5	14						1
			8		14			7	15
		14		2						8					6
10								1	5		3				4
		16				14	4			10		1	5
			5				12				4				11
11				10				12				3
		12	3		4			16	8				13
7				6		9	15								5
5					1						13		9
						15	5			6		14
14						7	9	3	4						2
	2		4								14
		6					8		13			15	4

Difficulty: Super easy (0)

			6	9		3		8
		11			14	2			9		7			5	16
			3					13							8
				6								4		9
5	16		14			6				8					4
					11							5
	6	8	9	10				7
11				15						9
					8						14				10
							2				8	14	11	3
			2							5
16					13				2			8		4	9
	9		13								1
3							6					11
6	14			7		16			8	10			1
							3		13		15	6

Difficulty: Easy (0)