C111113331333132322331333133313331311331323133112111112213123221   >>    C11111333133313232233133313331333131133132313311211111221312322   <<    C111113331333132322331333133313331311331323133112111112213123223   >>      C111113331333132322331333133313331311331323133112111112213123222   >>