Place the twelve 6-digit numbers into the grid (one digit in each cell), half of them left-to-right and half of them top-to-bottom.

What is the 6-digit number to be found along the main diagonal (from top-left to bottom-right)?

Street Address

City, State, Zip

Phone Number

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Place the twelve 6-digit numbers into the grid (one digit in each cell), half of them left-to-right and half of them top-to-bottom.

What is the 6-digit number to be found along the main diagonal (from top-left to bottom-right)?