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Weak Links

Puzzle 1

Difficulty:
Fun:
(based on 88 votes)

The three number chains below were all constructed using the same rule. They all also have a number out of place, a 'weak link' that breaks the rule. The weak link occurs at the same position in all three chains. Can you find it?

Chains
12347491652

92583067438

61129815025

Position
ABCDEFGHIJK

In what position are the weak links?

Back to the Weak Links Index!

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