C13223313311212111133133313331323133313331323131133133313231231211113311211   >>    C1322331331121211113313331333132313331333132313113313331323123121111331121   <<    C13223313311212111133133313331323133313331323131133133313231231211113311213   >>      C13223313311212111133133313331323133313331323131133133313231231211113311212   >>