Dr. Powers

 

1. This is a new kind of keypad.

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2. It bears some differences to the other ones you've encountered.

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3. Not all numbers are in the same position. But some are.

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4. So what didn't change?

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5. Among the numbers that haven't changed places, only one is odd.

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6. And only one is nothing.

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7. The second and fourth line of keys are unchanged.

(SOLUTION FOLLOWS)

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8. Odd is 5, nothing is 0. 6 is on the right, 4 is on the left. Type 5064.

 

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