gridCL_X

     .          __________                   CL
.____:          _____ _______________         L
 \____\           __      L                   L
     .    ________________L     ___           L
.____:          _      X      ______      ___ L
 \____\          _____  \    _____      ____
             __   _      \  _____     ____
 _________  ______  _       _______ ____
  |            ___   _
  |        _____    _
  |    __    __________________
  |      _______ __ _        X
  |         _______ _         \
  |                            \
  |                             \
  |                              \
  |                               \
  |                                \
  |                                 \
  |__________________________________\
  |
  :
  .