C2122121212121133132213231313231323131323223313231322331323323132313232211   >>    C212212121212113313221323131323132313132322331323132233132332313231323221   <<    C2122121212121133132213231313231323131323223313231322331323323132313232213   >>      C2122121212121133132213231313231323131323223313231322331323323132313232212   >>