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All possible 6-digit number, in each of which the digits occur in non-increasing order (from left to right, eg., 877550) are written as a sequence in increasing order. Find the 2005-th number in this sequence.

All possible 6-digit number, in each of which the digits occur in non-increasing order (from left to right, eg., 877550) are written as a sequence in increasing order. Find the 2005-th number in this sequence.

Grade:10

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