HEADS-TAILS
A program was written
with Delphi Programming Language to help you during the solving period of
this puzzle. You can download this program by clicking the image below.
When you click any coin, all the coins at
the row and column where the coin you clicked is located, turns to the other
side.
Make all the coins "tails"
with "minimum clicking count".
(There are more than
one way to make this, It is enough for you to find one of them.)
Each time you click
on a coin, the number of its location will be shown in the answer section
which is on the top of the program interface.
This will be your answer. You
can copy this answer and paste it into the “Answering form” at the site.
(The answers in
another formats will be invalid!)
