tqtof sqto rqtofp qqtof pqto

4zso 3zsofp 2zsof 1zso 0zsofp

f9rofp e9rof d9ro c9rofp b9rof

qirof piro oirofp nirof miro

1rqo 0rqofp zrqof yrqo xrqofp