train 01 party 01 press 01  
  train 02 party 02 press 02  
  train 03 party 03 press 03  
  train 04 party 04 press 04  
  train 05 party 05 press 05  
  train 06 party 06 press 06  
  train 07 party 07 press 07  
  train 08 party 08 press 08  
  train 09 party 09 press 09  
  train 10 party 10 press 10  
  train 11 party 11    
  train 12 party 12    
  train 13 party 13    
  train 14 party 14    
  train 15 party 15    
  train 16 party 16    
  train 17 party 17    
  train 18 party 18    
  train 19 party 19    
  train 20 party 20    
  train 21