     ... < ...                  t      o       p                 ... > ...
                                                 .__|_
._____    ._____    .__  ._____    ._____    ___/   |_ .____     ._____    .___
   /  \__/  _   \__/  \_/  _   \__(___   \__/       _     _/____/      \__/  _/
  /    /    / .._     /    /   _/        _/    /   _/    _/   /    /____ \___
 /    /    /   :/    _    /    _    /   __    /    _    /   _/    /    /    /
___  /_   _____/:.. /_________/_________/_________/______   _____/    /______
* |_______\ -- \___/ 2F/SAC ------------------------- |_____\ ----------- |___
