opiate. 1  a drug containing opium or its derivatives, used in medicine for inducing sleep and relieving pain. 2  any sedative, soporific, or narcotic. 3  anything that causes dullness or inaction or that soothes the feelings. 4  mixed or prepared with opium. 5  inducing sleep; soporific; narcotic. 6  causing dullness or inaction. 7  to subject to an opiate; stupefy.
Each puzzle has one and only one unique solution, and each can be solved using only pure logical deduction-guessing and trial-and-error methods are never required for these puzzles. If you're new to numbergrids, try the smaller puzzles first, then move on to the larger ones.
Now that a cell is solved, you should look to see if it will help us solve another cell or two. In this case there aren't enough clues to solve for ones at this time. Likewise there aren't enough clues using this method for twos or threes at this time. Let's look at the fours for your next lesson on how to play Sudoku. Sudoku Puzzle Scan For Fours. You can see a similar pattern in the fours as there was in the ones above. In the lower left region you can see that there is only one cell (marked with an X) that isn't eliminated using the scan method. Enter a 4 there.