.................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. .................................................................................................................. ..P................................................................................................................ .................................................................................................................. BBBBBBBBBBB.................................................................................................................. .................................................................................................................. .... ....B.........................................B ....B.........................................B...................... ....B................BB.......................B.................................................................... ....B.........................................B.................................................................... ....B.........................................B..................................................................... ....BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB.............................................................................................................. ................................................ . .................................................................. .................................................................................................................. ...................AAAAAAAAAAAAAAAAAA..........................F............................................ .................BBBBBBBBBBBBBBBBBBBBBBB.....BBBBBBBBBBBBBBBBBBBBB............................................................................................ .................................................................................................................. ..................................................................................................................