C133323133112111133133313331333133313231322331323131133132331221221   >>    C13332313311211113313331333133313331323132233132313113313233122122   <<    C133323133112111133133313331333133313231322331323131133132331221223   >>      C133323133112111133133313331333133313231322331323131133132331221222   >>