C2122121212121133132213231313231323131323223313231322331323132323311321   >>    C212212121212113313221323131323132313132322331323132233132313232331132   <<    C2122121212121133132213231313231323131323223313231322331323132323311323   >>      C2122121212121133132213231313231323131323223313231322331323132323311322   >>