I was really busy yesterday, so busy that I don't even know how I got time to close Round 3. So at first I decided to make the next round today, but later I decided to do it on the 21st of this month. The reason is that I've found it easier to remember dates that way. Because all the rounds begin and end on every 3rd day, all those dates were multiples of 3. All in all, Round 4 begins on 21st! Bye!