O~~ ~~   O~~      O~~            O~~~     O~~     O~~~~~                                                                       O~~    O~~  O~~    O~~             O~ O~~   O~~  O~ O~~   O~~                                                                     O~~         O~~ O~~       O~~     O~~ O~~  O~~     O~~    O~~    O~~                                                               O~~         O~~       O~   O~~  O~~  O~~ O~~ O~~ O~~    O~~  O~   O~~                                                               O~~      O~~      O~~~~~ O~~ O~~   O~ O~~ O~~ O~~    O~~ O~~~~~ O~~                                                        O~~    O~~     O~~      O~         O~~    O~ ~~ O~~ O~~   O~~  O~                                                                  O~~ ~~       O~~        O~~~~    O~~      O~~ O~~ O~~~~~       O~~~~