X         XXXX       X     XX                    X                          XX  XXXXX  XXXXX      X  XXX X  XXXXX  XXX X  X             XXXXX  XXXXX  XXXXX  XX XX  XXXXX  XXXXX  XXX
_____X_________XXXX_______X_____XX____________________X__________________________XX__XXXXX__XXXXX______X__XXX_X__XXXXX__XXX_X__X_____________XXXXX__XXXXX__XXXXX__XX_XX__XXXXX__XXXXX__XXX