1 7
2 991
3 999999487
4 999999999967231
5 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999998467504459134111141641652972849690816381260877816397823
6 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999259701684808393032479772811669110033389622680131580061369394284235929988533793980440674586854626427674060949946817840001024446466391175083425384867171677999875805389394354865288607937988472726428383350756780400871804787228671