C31121213231313231323133313231133132311331323223321123132322321   >>    C3112121323131323132313331323113313231133132322332112313232232   <<    C31121213231313231323133313231133132311331323223321123132322323   >>      C31121213231313231323133313231133132311331323223321123132322322   >>