X      X                                                           XXXX   XXX                                                                                                XXX   XXXX   XXXX   XXXX   XXXX   XXXX   XXXX
XXXX   XXXX   XXXX   XXXX   XXXX   XXXX   XXXX   XXXX   XXXX   XXXX
____________X______X___________________________________________________________XXXX___XXX________________________________________________________________________________________________XXX___XXXX___XXXX___XXXX___XXXX___XXXX___XXXX__________________XXXX___XXXX___XXXX___XXXX___XXXX___XXXX___XXXX___XXXX___XXXX___XXXX