d(4) → w(23) a(1) → z(26) n(14) → m(13) l(12) → o(15) w(23) → d(4) d(4) → w(23) → "w z m o d w" → "wzmodw"? Actually string: w z m o d w → "wzmodw"? No spaces: "wzmodw" — not clear.
Given the time, the most likely is (A↔Z, B↔Y…). Let me apply Atbash to full phrase: danlwd fylm lion 2016 bdwn sanswr ba zyrnwys chsbydh
Atbash: d ↔ w a ↔ z n ↔ m l ↔ o w ↔ d d ↔ w → "wzmodw"? Hmm. Wait, let's do it properly: d(4) → w(23) a(1) → z(26) n(14) →