C111113331333132322331333133313331311331322331333131133132333111   >>    C11111333133313232233133313331333131133132233133313113313233311   <<    C111113331333132322331333133313331311331322331333131133132333113   >>      C111113331333132322331333133313331311331322331333131133132333112   >>