Count Backwards from 1000 (part 4 & 5)

609.................

608,,,,,,,,,,,,,,,,,,,,,,,,,,

.....607.....

606.......................................

........605........

................604

603.....................................

...(602)...

.............601.............

...600....

..............599...........

..............598.......................

................................597............... .............

.........596..........

595...........................