"Coincidentally," her father replied, "exactly one digit in each of the five columns in the previous six winning numbers on this piece of paper is in the same position as one of the digits in this week’s winning number."
"Thanks, Dad." said Chloe, looking at the numbers over his shoulder. "But I can’t determine the number from that information."
Chloe then showed the same numbers to her mother, which were as follows:
+---------------+
| 0 9 9 0 6 |
| 0 1 6 9 1 |
| 8 9 6 8 9 |
| 0 9 6 0 9 |
| 1 9 6 8 9 |
| 8 6 8 8 9 |
+---------------+
"Your dad’s right." she said, "Exactly one digit in each of the five columns is in the same position as one of the digits in this week’s winning number, which, incidentally, is ....""Thanks, Mom," interrupted Chloe, "But now I know what it is."
What is this week’s winning number?
