277期【12356789】√
278期【01256789】√
279期【23467891】x
280期【01245678】√
281期【01256789】x
282期【02356789】√
283期【12346789】√
____________★____________
277期【12356789】√
278期【01256789】√
279期【23467891】x
280期【01245678】√
281期【01256789】x
282期【02356789】√
283期【12346789】√
____________★____________