C111112111133131121133133313331333133313331323133313331333131133132233133322231   >>    C11111211113313112113313331333133313331333132313331333133313113313223313332223   <<    C111112111133131121133133313331333133313331323133313331333131133132233133322233   >>      C111112111133131121133133313331333133313331323133313331333131133132233133322232   >>