C111113331333132322331333133313331333132313223211331311331311331313333121   >>    C11111333133313232233133313331333133313231322321133131133131133131333312   <<    C111113331333132322331333133313331333132313223211331311331311331313333123   >>      C111113331333132322331333133313331333132313223211331311331311331313333122   >>