C111113331333132322331333133313331311331322331311331311331312111   >>    C11111333133313232233133313331333131133132233131133131133131211   <<    C111113331333132322331333133313331311331322331311331311331312113   >>      C111113331333132322331333133313331311331322331311331311331312112   >>