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Swapping Two Entries

 

While entering numbers into the puzzle, you may come across the situation where you will be undecided as to which one of two numbers should be placed into one of two Squares. If this occurs, you can enter either number into either square and mark them for easy Swapping later on.

This time, we use a normal Short Touch on the numerical keyboard to enter these two numbers.

For now, let's enter "7" in Square 7, "8" in Square 8 and mark these squares for easy Swapping.

And the result,

Now, unfortunately for small screen users, this time you need to touch the individual squares.

Using a Long Touch, touching square 7 will change the background colour to a purplish colour and doing the same on square 8 will also change the background colour to the same purplish colour.

These two squares are now marked for Swapping. A Long Touch on either square will swap the numbers in these two squares. You can swap these two numbers as often as you like. 

Up to four pairs of squares on any one panel can be marked for swapping. Look at panel 4.

Next, Correct Indication  or return to Solving The Puzzle