| Chapter # | Sentence # | Quote |
|---|---|---|
| 12 | 448 | "For View more quotes about example">example, the letter 'Eta,' the most commonly occurring letter, would actually, on any given board, be capable of being represented by any of a number of appropriate squares, each different, yet each corresponding to an 'Eta. |
| 12 | 449 | ' Similarly, of course, one might skip about on the board, retreating on it, and so on, to utilize 'Eta Squares' in any fashion one chose. |
| 12 | 450 | This would produce no confusion between the sender and the receiver as long as the enciphered notation was in orderly sequence". |
| 12 | 451 | "Precisely," said the player. |
| 12 | 452 | "But where do the nulls come in?" I asked. |
| 12 | 453 | "In my exposition," the player reminded me, "I mentioned 'available squares. |
| 12 | 454 | ' A board key will commonly consist of a given word and a list of null squares. |