23    900   8000  10000 ...
start stop  start stop  ...

##</code><code>##

      23    900   8000  10000 ...
      start stop  start stop  ...
0     23    900   8000  10000 ...
start stop  start stop  start ...

##</code><code>##

      23    901   8001  10001 ...
      start stop  start stop  ...
0     23    901   8001  10001 ...
start stop  start stop  start ...