bxyvf cxyvfi dxyv exyvf fxyvfi

0nzvfi 1nzv 2nzvf 3nzvfi 4nzv

pe0v qe0vf re0vfi se0v te0vf

e50vf f50vfi g50v h50vf i50vfi

3v1vfi 4v1v 5v1vf 6v1vfi 7v1v