Nwdz Msrb Lktkwth Sghnnh Bjsm Abyd Wks... <TOP>

Rami froze. "What if it's not a Caesar shift? What if it's a keyboard shift?"

They tried it. On a QWERTY keyboard, each letter typed one key to the left. n→b, w→q, d→s, z→a. "bqsa..." No. nwdz msrb lktkwth sghnnh bjsm abyd wks...

Lena's fingers flew. n→m? No, Atbash: n (14th letter) becomes m (13th)? Let's see: A(1)<->Z(26), B(2)<->Y(25)... So N(14) <-> M(13)? That would make n→m, w→d, d→w, z→a. "mdwa..." Not promising. Rami froze

m→k, w→u, d→b, z→x. "kub jq..." Still nothing. Y(25)... So N(14) &lt

She looked at the original again:

Lena leaned back. "What if 'path not taken' means the wrong path? What if it's a reverse Atbash, then a shift of 13?"