Technique Practice
Snyder Notation Practice
Select the cells where the target digit is still legal inside the box, then decide whether Snyder calls for a pair, a placement, or patience.
Drill 1 of 4
Find the pair
Use the outside 2s to decide where 2 can still go in this box.
Target2
2
2
Top clues block columnsSide clues block rows
Selected
None
Action
Wait, no mark yet
Attempts
0
Outside digits show rows or columns where the target already appears. Select the empty cells that are not blocked by those clues.