C31121213231313231323133313231133132311331323223321123132131121   >>    C3112121323131323132313331323113313231133132322332112313213112   <<    C31121213231313231323133313231133132311331323223321123132131123   >>      C31121213231313231323133313231133132311331323223321123132131122   >>