The process of solving a DOUBLET Puzzle has much in common with solving a Crossword Puzzle. The clue which is presented to you at any given
time is the one for the word in which the red focus cell is currently located. Any character which is typed at the keyboard will be placed into
the focus cell, and the focus cell will automatically move forward to the next character of the focus word. The location of the focus cell and
its corresponding word may be shifted by pointing and clicking with the mouse, or by means of the cursor control keys.