C133323133112111133133313331333133313231322331323133313311232322211   >>    C13332313311211113313331333133313331323132233132313331331123232221   <<    C133323133112111133133313331333133313231322331323133313311232322213   >>      C133323133112111133133313331333133313231322331323133313311232322212   >>