L M S
                                                                S
                                                                L S
                                                                L M S
                                                                M S
                                                                M
                                                                M S
                                                                M
                                                                M
                                                                M
                                                                L M S
                                                                 
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                     
                                                                    