[0,7,70,77,700,707,770,777,7000,7007,7070,7077, 7700,7707,7770,7777,70000,70007,70070,70077,70700, 70707,70770,70777,77000,77007,77070,77077,77700, 77707,77770,77777,700000,700007,700070,700077, 700700,700707,700770,700777]