C133323133112111133133313331333133313231322331323221211211312121   >>    C13332313311211113313331333133313331323132233132322121121131212   <<    C133323133112111133133313331333133313231322331323221211211312123   >>      C133323133112111133133313331333133313231322331323221211211312122   >>