.
                               ______/(_____    ____
                             __)     .     (___)   (_.
                            ).       |        .(     |_
                            _|       |        |      _//
                ______     \\_   ______      /_\ ____:__
              _\\     |.______:__\  __//______:__\   __//_____
       __    _|       ||     /_\    \_       /_\    _|       /_
       \_\\ \\_       |       |_     |        |_    \_        |_    __
        .     |       |       _//    |         //    |        _// //_/
        :     |       |       |     i|        /      |        |
        :    i|       |       .      |       //_   _ |        |    .
        :    _|       | _    _|      |        _// /) |        |    :
        :   \\________| (\ \ \_______|       _|      |i       |    :
        :         _  _|_      |   \\_|       \_______|        |    :
        .   pO+ab (\ \_/______.     _|_       |     _|_       |i
           impure!    /------//-----\_/_______|-----\_/_______|-----+
                     //      _|      .        :      |
                            \\_      |        .      ._
                              |      |        |      _// aa a
                             ).__    |      __|_     |.
                                 )___| ____(    )____|(
                                     \(
                                      .