C13223313311212111133133313331333133313231323133211113313331311221123121122211   >>    C1322331331121211113313331333133313331323132313321111331333131122112312112221   <<    C13223313311212111133133313331333133313231323133211113313331311221123121122213   >>      C13223313311212111133133313331333133313231323133211113313331311221123121122212   >>