Randi: E(21) = 42

Here’s the puzzle –

-- --- ---- ---, --- ---e ---e-e-- -- -e-, ---- ---e---
----- ---- --- ---- ------e- ---e- -----e ---. --e-e --e ---e-
--------e- -- -----e, --- --e-e --e --e -----------
--e-.

------- -ee----

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