Overview: 1 questions will be solved this time.Among them
☆1 integer calculations
[1/1 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 20711350055326799630504599457740287056070894944256*207113500553267996305045994577402870560708949442569 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 1 | | | | | | | | | | | | | | | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 1 | | | | | | |
| | 灰 Solution: 20711350055326799630504599457740287056070894944256*20711350055326799630504599457740287056070894944256 = 428960021114285426115557629312142471721369509680018762253846492060697358093126142793793061347393536 Column vertical calculation:
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 2 | 4 | 2 | 6 | 8 | 1 | 0 | 0 | 3 | 3 | 1 | 9 | 6 | 0 | 7 | 9 | 7 | 7 | 8 | 3 | 0 | 2 | 7 | 5 | 9 | 6 | 7 | 4 | 6 | 4 | 4 | 1 | 7 | 2 | 2 | 3 | 3 | 6 | 4 | 2 | 5 | 3 | 6 | 9 | 6 | 6 | 5 | 5 | 3 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | 1 | 4 | 2 | 2 | 7 | 0 | 0 | 1 | 1 | 0 | 6 | 5 | 3 | 5 | 9 | 9 | 2 | 6 | 1 | 0 | 0 | 9 | 1 | 9 | 8 | 9 | 1 | 5 | 4 | 8 | 0 | 5 | 7 | 4 | 1 | 1 | 2 | 1 | 4 | 1 | 7 | 8 | 9 | 8 | 8 | 8 | 5 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 4 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 7 | 1 | 9 | 8 | 5 | 2 | 2 | 0 | 1 | 8 | 3 | 9 | 7 | 8 | 3 | 0 | 9 | 6 | 1 | 1 | 4 | 8 | 2 | 2 | 4 | 2 | 8 | 3 | 5 | 7 | 9 | 7 | 7 | 7 | 0 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 4 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 7 | 1 | 9 | 8 | 5 | 2 | 2 | 0 | 1 | 8 | 3 | 9 | 7 | 8 | 3 | 0 | 9 | 6 | 1 | 1 | 4 | 8 | 2 | 2 | 4 | 2 | 8 | 3 | 5 | 7 | 9 | 7 | 7 | 7 | 0 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 8 | 6 | 4 | 0 | 2 | 1 | 5 | 0 | 4 | 9 | 7 | 9 | 4 | 1 | 1 | 9 | 6 | 6 | 7 | 4 | 5 | 4 | 1 | 3 | 9 | 5 | 1 | 1 | 9 | 6 | 6 | 2 | 5 | 8 | 3 | 5 | 0 | 4 | 6 | 3 | 8 | 0 | 5 | 4 | 4 | 9 | 8 | 3 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 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| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | 4 | 9 | 7 | 9 | 4 | 5 | 0 | 3 | 8 | 7 | 2 | 8 | 7 | 5 | 9 | 7 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 9 | 6 | 2 | 0 | 4 | 1 | 8 | 2 | 0 | 0 | 9 | 3 | 9 | 2 | 4 | 9 | 6 | 2 | 6 | 4 | 6 | 0 | 9 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 2 | 4 | 2 | 6 | 8 | 1 | 0 | 0 | 3 | 3 | 1 | 9 | 6 | 0 | 7 | 9 | 7 | 7 | 8 | 3 | 0 | 2 | 7 | 5 | 9 | 6 | 7 | 4 | 6 | 4 | 4 | 1 | 7 | 2 | 2 | 3 | 3 | 6 | 4 | 2 | 5 | 3 | 6 | 9 | 6 | 6 | 5 | 5 | 3 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | 4 | 9 | 7 | 9 | 4 | 5 | 0 | 3 | 8 | 7 | 2 | 8 | 7 | 5 | 9 | 7 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 9 | 6 | 2 | 0 | 4 | 1 | 8 | 2 | 0 | 0 | 9 | 3 | 9 | 2 | 4 | 9 | 6 | 2 | 6 | 4 | 6 | 0 | 9 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 6 | 5 | 6 | 9 | 0 | 8 | 0 | 0 | 4 | 4 | 2 | 6 | 1 | 4 | 3 | 9 | 7 | 0 | 4 | 4 | 0 | 3 | 6 | 7 | 9 | 5 | 6 | 6 | 1 | 9 | 2 | 2 | 2 | 9 | 6 | 4 | 4 | 8 | 5 | 6 | 7 | 1 | 5 | 9 | 5 | 5 | 4 | 0 | 4 | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | 1 | 4 | 2 | 2 | 7 | 0 | 0 | 1 | 1 | 0 | 6 | 5 | 3 | 5 | 9 | 9 | 2 | 6 | 1 | 0 | 0 | 9 | 1 | 9 | 8 | 9 | 1 | 5 | 4 | 8 | 0 | 5 | 7 | 4 | 1 | 1 | 2 | 1 | 4 | 1 | 7 | 8 | 9 | 8 | 8 | 8 | 5 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 4 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 7 | 1 | 9 | 8 | 5 | 2 | 2 | 0 | 1 | 8 | 3 | 9 | 7 | 8 | 3 | 0 | 9 | 6 | 1 | 1 | 4 | 8 | 2 | 2 | 4 | 2 | 8 | 3 | 5 | 7 | 9 | 7 | 7 | 7 | 0 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | 4 | 9 | 7 | 9 | 4 | 5 | 0 | 3 | 8 | 7 | 2 | 8 | 7 | 5 | 9 | 7 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 9 | 6 | 2 | 0 | 4 | 1 | 8 | 2 | 0 | 0 | 9 | 3 | 9 | 2 | 4 | 9 | 6 | 2 | 6 | 4 | 6 | 0 | 9 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | 4 | 9 | 7 | 9 | 4 | 5 | 0 | 3 | 8 | 7 | 2 | 8 | 7 | 5 | 9 | 7 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 9 | 6 | 2 | 0 | 4 | 1 | 8 | 2 | 0 | 0 | 9 | 3 | 9 | 2 | 4 | 9 | 6 | 2 | 6 | 4 | 6 | 0 | 9 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 4 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 7 | 1 | 9 | 8 | 5 | 2 | 2 | 0 | 1 | 8 | 3 | 9 | 7 | 8 | 3 | 0 | 9 | 6 | 1 | 1 | 4 | 8 | 2 | 2 | 4 | 2 | 8 | 3 | 5 | 7 | 9 | 7 | 7 | 7 | 0 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 8 | 6 | 4 | 0 | 2 | 1 | 5 | 0 | 4 | 9 | 7 | 9 | 4 | 1 | 1 | 9 | 6 | 6 | 7 | 4 | 5 | 4 | 1 | 3 | 9 | 5 | 1 | 1 | 9 | 6 | 6 | 2 | 5 | 8 | 3 | 5 | 0 | 4 | 6 | 3 | 8 | 0 | 5 | 4 | 4 | 9 | 8 | 3 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 8 | 6 | 4 | 0 | 2 | 1 | 5 | 0 | 4 | 9 | 7 | 9 | 4 | 1 | 1 | 9 | 6 | 6 | 7 | 4 | 5 | 4 | 1 | 3 | 9 | 5 | 1 | 1 | 9 | 6 | 6 | 2 | 5 | 8 | 3 | 5 | 0 | 4 | 6 | 3 | 8 | 0 | 5 | 4 | 4 | 9 | 8 | 3 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 | 2 | 8 | 4 | 5 | 4 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 7 | 1 | 9 | 8 | 5 | 2 | 2 | 0 | 1 | 8 | 3 | 9 | 7 | 8 | 3 | 0 | 9 | 6 | 1 | 1 | 4 | 8 | 2 | 2 | 4 | 2 | 8 | 3 | 5 | 7 | 9 | 7 | 7 | 7 | 0 | 2 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6 | 2 | 1 | 3 | 4 | 0 | 5 | 0 | 1 | 6 | 5 | 9 | 8 | 0 | 3 | 9 | 8 | 8 | 9 | 1 | 5 | 1 | 3 | 7 | 9 | 8 | 3 | 7 | 3 | 2 | 2 | 0 | 8 | 6 | 1 | 1 | 6 | 8 | 2 | 1 | 2 | 6 | 8 | 4 | 8 | 3 | 2 | 7 | 6 | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 2 | 4 | 2 | 6 | 8 | 1 | 0 | 0 | 3 | 3 | 1 | 9 | 6 | 0 | 7 | 9 | 7 | 7 | 8 | 3 | 0 | 2 | 7 | 5 | 9 | 6 | 7 | 4 | 6 | 4 | 4 | 1 | 7 | 2 | 2 | 3 | 3 | 6 | 4 | 2 | 5 | 3 | 6 | 9 | 6 | 6 | 5 | 5 | 3 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 8 | 6 | 4 | 0 | 2 | 1 | 5 | 0 | 4 | 9 | 7 | 9 | 4 | 1 | 1 | 9 | 6 | 6 | 7 | 4 | 5 | 4 | 1 | 3 | 9 | 5 | 1 | 1 | 9 | 6 | 6 | 2 | 5 | 8 | 3 | 5 | 0 | 4 | 6 | 3 | 8 | 0 | 5 | 4 | 4 | 9 | 8 | 3 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 8 | 6 | 4 | 0 | 2 | 1 | 5 | 0 | 4 | 9 | 7 | 9 | 4 | 1 | 1 | 9 | 6 | 6 | 7 | 4 | 5 | 4 | 1 | 3 | 9 | 5 | 1 | 1 | 9 | 6 | 6 | 2 | 5 | 8 | 3 | 5 | 0 | 4 | 6 | 3 | 8 | 0 | 5 | 4 | 4 | 9 | 8 | 3 | 0 | 4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | 4 | 9 | 7 | 9 | 4 | 5 | 0 | 3 | 8 | 7 | 2 | 8 | 7 | 5 | 9 | 7 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 9 | 6 | 2 | 0 | 4 | 1 | 8 | 2 | 0 | 0 | 9 | 3 | 9 | 2 | 4 | 9 | 6 | 2 | 6 | 4 | 6 | 0 | 9 | 7 | 9 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 2 | 4 | 2 | 6 | 8 | 1 | 0 | 0 | 3 | 3 | 1 | 9 | 6 | 0 | 7 | 9 | 7 | 7 | 8 | 3 | 0 | 2 | 7 | 5 | 9 | 6 | 7 | 4 | 6 | 4 | 4 | 1 | 7 | 2 | 2 | 3 | 3 | 6 | 4 | 2 | 5 | 3 | 6 | 9 | 6 | 6 | 5 | 5 | 3 | 6 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | 1 | 4 | 2 | 2 | 7 | 0 | 0 | 1 | 1 | 0 | 6 | 5 | 3 | 5 | 9 | 9 | 2 | 6 | 1 | 0 | 0 | 9 | 1 | 9 | 8 | 9 | 1 | 5 | 4 | 8 | 0 | 5 | 7 | 4 | 1 | 1 | 2 | 1 | 4 | 1 | 7 | 8 | 9 | 8 | 8 | 8 | 5 | 1 | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6 | 2 | 1 | 3 | 4 | 0 | 5 | 0 | 1 | 6 | 5 | 9 | 8 | 0 | 3 | 9 | 8 | 8 | 9 | 1 | 5 | 1 | 3 | 7 | 9 | 8 | 3 | 7 | 3 | 2 | 2 | 0 | 8 | 6 | 1 | 1 | 6 | 8 | 2 | 1 | 2 | 6 | 8 | 4 | 8 | 3 | 2 | 7 | 6 | 8 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1 | 0 | 3 | 5 | 5 | 6 | 7 | 5 | 0 | 2 | 7 | 6 | 6 | 3 | 3 | 9 | 9 | 8 | 1 | 5 | 2 | 5 | 2 | 2 | 9 | 9 | 7 | 2 | 8 | 8 | 7 | 0 | 1 | 4 | 3 | 5 | 2 | 8 | 0 | 3 | 5 | 4 | 4 | 7 | 4 | 7 | 2 | 1 | 2 | 8 | 0 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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