C133323133112111133133313331333133313231231211113313331333112211232233221   >>    C13332313311211113313331333133313331323123121111331333133311221123223322   <<    C133323133112111133133313331333133313231231211113313331333112211232233223   >>      C133323133112111133133313331333133313231231211113313331333112211232233222   >>