Count Backwards from 1000 (part 4 & 5)

504...................

^^^^^^^^^503^^^^^^^^^

......................502.........................

501.................

...........500...........

.........499............

.......498.......

...........497...............

................496...............

...495....

..............494................

,,,,493,,,,

.................492...............

491.................

.................490...............

489.........................

..........488...........

487........................

....486....

485........................

.....484...........

483...................

.................482...................

481...............

480.............................

......479.........

,,,,478,,,,

477.................

476.......................

....475....:noidea:

... 474 ...

473.................

................472................

471.........................

................470...................

469........................

..............468.....................

...................467.......................

,,,,466,,,,

................465...............