Walkthrough 1 - Hard

Step 3

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

In the same section the 5 in section 2 means there is only one square the 5 can go

Click here for Step 4