We check where 2 can be in the middle blocks. (It's highlighted).

You can see that they only lie along two lines (column 4 and 6).

Because in the blocks, the two same candidate lines occur, we can elimante the 2's in the other block.

Now, we see in the lower middle block a single candidate left: 7.

Next Page

Support Us
If you like our board game related content, consider to donate with Paypal and help us continue.
Donate with Paypal