| R | E | F | U | E | L | S | |
| + | S | E | R | I | A | L | S |
| F | U | R | T | H | E | R |
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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?