C111113331333132322331333133313331311331322331333131133132322331333223332211   >>    C11111333133313232233133313331333131133132233133313113313232233133322333221   <<    C111113331333132322331333133313331311331322331333131133132322331333223332213   >>      C111113331333132322331333133313331311331322331333131133132322331333223332212   >>