Project Euler #51: Prime digit replacements

Hacker
Rank
Score
262
flag of China
100.00
263
flag of India
100.00
264
flag of India
100.00
265
flag of Poland
100.00

[deleted]

266
flag of Iran
100.00
267
flag of India
100.00
268
flag of Australia
100.00
269
flag of China
100.00
270
flag of Australia
100.00
271
flag of Turkey
100.00
274
flag of India
100.00
277
flag of Israel
100.00
278
flag of India
100.00
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