Count Backwards from 1000 (part 4 & 5)

.....................623........................

623...............

...........622.................

++++++++++++621++++++++++

..............620.....................

619......................

618...........................

.........617.........

.............616.................

615.......................

614....................

..........(613)...........

612......................

^^^^^^^^^^^^^^^611^^^^^^^^^^^^^^

.........................610......................

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

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

.....607.....

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

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

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

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

...(602)...

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

...600....

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

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

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

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

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

.................594..............

593.............................

592.................

591..............

590....................

...................589

,,,,,,588,,,,,

587...........................

.....586.....

...............585.................