BrainTwister #28: Dice differences
Regulars
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Puzzles
BrainTwister #27: Dancing decimals
Regulars
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BrainTwister #26: Up and down
Regulars
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BrainTwister #25: Triangles in circles
Regulars
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BrainTwister #24: Coin flips
Regulars
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BrainTwister #23: Four points, two distances
Regulars
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BrainTwister #22: Even rows
Regulars
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BrainTwister #21: Digit gangs
Regulars
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BrainTwister #20: Factor-finding mission
Regulars
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BrainTwister #19: Angular arrangements
Regulars
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BrainTwister #18: The arithmetical two‑step
Regulars
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BrainTwister #17: Semi-one numbers
Regulars
Subscriber-only