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

Difficulty: Very easy (0)

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

Difficulty: Super easy (0)

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

Difficulty: Very easy (0)

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

Difficulty: Very easy (0)