C111113331333132322331333133313331311331323133112111112111113331313112211211111   >>    C11111333133313232233133313331333131133132313311211111211111333131311221121111   <<    C111113331333132322331333133313331311331323133112111112111113331313112211211113   >>      C111113331333132322331333133313331311331323133112111112111113331313112211211112   >>