 
                             300 minutes
                                        300 minutes                                     
                             840 minutes
                                        840 minutes                                     
                             600 minutes
                                        600 minutes                                     
                             7 hours
                                        7 hours                                     
                             3 hours
                                        3 hours                                     
                             9 hours
                                        9 hours                                     
                             4 hours
                                        4 hours                                     
                             7 hours
                                        7 hours