text: 
  create table state_transition
  (
  	pre_transition_game_number			INTEGER,
  	post_transition_game_number			INTEGER,
  	comb_class_id						INTEGER	
  );
  create index idx_pre_transition  on state_transition ( pre_transition_game_number);            
  create index idx_post_transition  on state_transition ( post_transition_game_number);            
  
  