C2122121212121133132213231313231323131323223313231322331313123231   >>    C212212121212113313221323131323132313132322331323132233131312323   <<    C2122121212121133132213231313231323131323223313231322331313123233   >>      C2122121212121133132213231313231323131323223313231322331313123232   >>