C2122121212121133132213231313231323131323223313231322331323132322313221   >>    C212212121212113313221323131323132313132322331323132233132313232231322   <<    C2122121212121133132213231313231323131323223313231322331323132322313223   >>      C2122121212121133132213231313231323131323223313231322331323132322313222   >>