HCR's Rank Formula by H.C. Rajpoot-2014

Algebra Level pending

All the 12-digit numbers, obtained by permuting 0, 0, 0, 0, 2, 2, 3, 4, 5, 6, 6, 6 together, are arranged in decreasing order. How many numbers are lying between 456006326020 & 665030642200 in the same order?

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