C2122121212121133132213231313231313231323223313231322331323132313132333221   >>    C212212121212113313221323131323131323132322331323132233132313231313233322   <<    C2122121212121133132213231313231313231323223313231322331323132313132333223   >>      C2122121212121133132213231313231313231323223313231322331323132313132333222   >>