4		3			6
		2		5
			2		3
3		4
	1		6
1			4		5

Difficulty: Super easy (0)

			3		6
	3			4	1
4			2
		6			4
2	1			6
6		4

Difficulty: Super easy (0)

		2	3		4
5			4
	3	5
			6	2
		4			5
2		1	5

Difficulty: Very hard (0)

		4		6
		3			5
	4	6			2
3			5	4
5			2
	3		4

Difficulty: Super easy (0)