C133323133112111133133313331333133313231322331323133313311223321   >>    C13332313311211113313331333133313331323132233132313331331122332   <<    C133323133112111133133313331333133313231322331323133313311223323   >>      C133323133112111133133313331333133313231322331323133313311223322   >>