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Other results: Four fours Four zeros 2002 2003 Four digits
Solutions are shown, where known, for numbers in the range 0–100. Solutions are known for 92 of the 101 numbers. The first number for which no solution has been found is 67.
These solutions were generated by 200 Up. I’d be interested in hearing from anyone who finds a solution for a number for which 200 Up found no solution.
Return to 200 Up
Other results: Four fours Four zeros 2002 2003 Four digits