So code letter +1: t(20)+1=21=u k(11)+1=12=l w(23)+1=24=x n(14)+1=15=o → ulxo — no. on the given code Code: t k w n - d m w a k - m n - a j l y
t(20)-5=15=o k(11)-5=6=f w(23)-5=18=r n(14)-5=9=i → ofri tkwn-dmwak-mn-ajly
d=4 → c=3 m=13 → l=12 w=23 → v=22 a=1 → z=26 (or 0?) Wait, a→z wraps: a=1, subtract 1 = 0 → z=26. k=11 → j=10 → clvzj ? That’s off. That’s off
t=20 → s=19 k=11 → j=10 w=23 → v=22 n=14 → m=13 → sjvm k(11) → i(9)
Better: Try : t(20) → r(18), k(11) → i(9), w(23) → u(21), n(14) → l(12) → riul — no. Step 3: Try known shift patterns from similar codes This looks like a simple Caesar shift of -1 (left shift) on each letter.