@,,@,@@@@@                                          ,,@,@@,,,,
@@,@@@,,,,                                          @,@@@,@,,,
@,@@,,@,,,                                          ,@@,,@@@,,
@@@,@,@@,,                                          ,@,@,@,,@,
@,,@@@@,@,                                          @@@@@@@,@@
,@,@,,,@@@            ------------------            ,,,,,,,@@,
,@@@@,,@,,           - maintenance time -           ,,,,,,,@,@
@@,,,@,@@,            ------------------            @,,,,,,@@@
,,@,,@@@,@                                          ,@,,,,,@,,
,,@@,@,,@@ maintenance time: pockets of  empty time ,@@,,,,@@,
,,@,@@@,@,      between planck seconds, wherein     ,@,@,,,@,@
@,@@@,,@@@  mysterious entities do maintenance on   @@@@@,,@@@
,@@,,@,@,,               the universe.              @,,,,@,@,,
,@,@,@@@@,                                          @@,,,@@@@,
,@@@@@,,,@         ... dark maintenance ...         ,,@,,@,,,@
@@,,,,@,,@                                          @,@@,@@,,@
,,@,,,@@,@                                          ,@@,@@,@,@
@,@@,,@,@@                                          @@,@@,@@@@
,@@,@,@@@,                                          @,@@,@@,,,
,@,@@@@,,@                                          @@@,@@,@,,