In this lesson, you will learn how to use TMB LCR when there is only 1 number out of 3 blocks. This will help you see when you can safely put 3 small numbers in a row within a block, and how to solve new numbers, small and large. It is easy to miss an opportunity. See if you can see this happen.
NOTE:To view Sudoku Guy's video lessons 1-25 in order, click below.
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