| Chapter # | Sentence # | Quote |
|---|---|---|
| 12 | 454 | ' A View more quotes about board">board key will commonly consist of a given word and a list of null squares. |
| Chapter # | Sentence # | Quote |
|---|---|---|
| 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. |
| 12 | 455 | The nulls may frequently occur in the enciphered message but they are, of course, immediately disregarded by the receiver". |
| 12 | 456 | "I see," I said. |
| 12 | 457 | The presence of nulls and multiples in a message, of course, makes it much more difficult to decipher, if one lacks the key. |