BellBoard

(324165879)     6   8  15  16                        
 214356978    2.6.7.8.9                              
 1324           S       -      |                     
 3412           S       -      |                     
 4231           S       -      |                     
 2413           S   S   -      | A                   
 4321           S       -      |                     
 3142           S       -      |                     
 1234           S       -      |                     
 245361879    2.6.7.S9.15.S16                        
 241365                     S  |                     
 435162         S       -   S  |                     
 432165                     S  |                     
 315264         S       -   S  | B                   
 314265                     S  |                     
 125463         S       -   S  |                     
 123465                     S  |                     
 123465789    S4.11.12                               
 2143           S   S   -                            
 314652789    S7.10.12.13.14  (16 sixes)             
 135792468    1.3.S6.7.8.S15.17.18                   
 312497568    13.14.16                               
 1324           S                                    
 315264798    1.2.3.4.5.S7.11.12.13.14.17            
 123465       S1.6.15.16                             
 2143                   A                            
 123495786    2.S6.S8.S12.15                         
 2143                   A                            
 135462879    S9.12.13.15.S16                        
 214365                 B                            

 Start with rounds as the 5th row of a slow six