Walkthrough 1 - Hard

Step 2

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

Again the 2s already filled in only allow one space in section 8 to have a 2

Click here for Step 3