| N | O | D | ||||
| x | O | D | D | |||
| O | P | E | N | |||
| O | P | E | N | . | ||
| R | U | L | E | . | . | |
| O | R | I | G | I | N |
See more puzzles containing NOD, ODD, OPEN, ORIGIN or RULE.
Would you like to see the solution?
The rules for cryptarithm puzzles are simple. Each letter represents one of the digits 0 to 9. Different letters represent different digits. The first digit in a number can't be 0. Your job is to find out what digit each letter represents. Can you solve the puzzle shown here?