C111113331333132322331333133313331311331312111133121111132313111   >>    C11111333133313232233133313331333131133131211113312111113231311   <<    C111113331333132322331333133313331311331312111133121111132313113   >>      C111113331333132322331333133313331311331312111133121111132313112   >>