C2122121212121133132213231313231313231323223313231322331323132313113231   >>    C212212121212113313221323131323131323132322331323132233132313231311323   <<    C2122121212121133132213231313231313231323223313231322331323132313113233   >>      C2122121212121133132213231313231313231323223313231322331323132313113232   >>