Move to the x axis at 6 seconds.
Move to y axis 12 seconds.
Move to x after 20 seconds.
That is to say, the time to (n, n) is n*(n+ 1), (when n is odd, it goes to the y axis, and when n is even, it goes to the x axis).
So 44*45= 1980
2009- 1980=29
44-29= 15
So the coordinate is (44, 15).