C2122121212121133132213231313231313231323223313231322331323132312312231   >>    C212212121212113313221323131323131323132322331323132233132313231231223   <<    C2122121212121133132213231313231313231323223313231322331323132312312233   >>      C2122121212121133132213231313231313231323223313231322331323132312312232   >>