C2122121212121133132213231313231323131323223313231322331313231323111121   >>    C212212121212113313221323131323132313132322331323132233131323132311112   <<    C2122121212121133132213231313231323131323223313231322331313231323111123   >>      C2122121212121133132213231313231323131323223313231322331313231323111122   >>