C2122121212121133132213231313231323131323223313231322331323131331121123231   >>    C212212121212113313221323131323132313132322331323132233132313133112112323   <<    C2122121212121133132213231313231323131323223313231322331323131331121123233   >>      C2122121212121133132213231313231323131323223313231322331323131331121123232   >>