Step 2: The Encrypted Display
- Some words can be decrypted without needing this step.
- First, start with “ABCDEFGHIJKLMNOPQRSTUVWXYZ”.
- Then apply the following operations to the string if their respective conditions are satisfied.
Table 2. String Operations
Condition |
Operation |
Both a single Parallel port and a Lit BOB indicator are present. |
Ignore all the conditions and operations underneath |
The number of batteries and the number of ports are both odd. |
Reverse the string. |
The sum of the digits of the serial number is prime. |
Take the letters ‘P’, ‘R’, ‘I’, ‘M’, and ‘E’ out, then place “PRIME” at the front of the string. |
There are more batteries than letters in the serial number. |
Cut the string in half, then place the second half in front of the first. |
The serial number contains at least one character in the word “TEARPOD”. |
Take the letters ‘C’, ‘R’, and ‘Y’ out, then place “CRY” at the end of the string. |
The total number of modules is even. |
Take the letter in the position of the last digit* of the serial number, then place it at the end. |
The total number of modules is odd. |
Take the letter in the position of the first digit* of the serial number, then place it at the end. |
*If the digit is a 0, apply to the 10th letter in the string instead.
- Then, place “ABCDEFGHIJKLMNOPQRSTUVWXYZ” above the string you obtained from the conditions.
- Convert each letter of the text in the display from the top row to the bottom row to decrypt it. You will always get one of the words in the table on the next page.