C111113331333132322331333133313331311331312111113331323132211311   >>    C11111333133313232233133313331333131133131211111333132313221131   <<    C111113331333132322331333133313331311331312111113331323132211313   >>      C111113331333132322331333133313331311331312111113331323132211312   >>