>>10996375players have to exchange flagged coins,
there is critical amount of coins, which if is reached in properties of coin in one player, both player loses.
each coin must be exchanged few times.
there are two types of coins, anticritical and critical,
if you have more anticritical points, your coins gets less critical value.
if you have more critical points, your points reach more critical value.
more equal the coins, more points each player get.
winner is player with more points
for more points you can buy coins that lessen the critical mass of coin
