uoswtc toswt sosw roswtc qoswt

5xrwt 4xrw 3xrwtc 2xrwt 1xrw

g7qw f7qwtc e7qwt d7qw c7qwtc

rgqwtc qgqwt pgqw ogqwtc ngqwt

2ppwt 1ppw 0ppwtc zppwt yppw