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Meaning of Kirkman's schoolgirl problem | Babel Free

Noun CEFR C1

Definitions

A problem in combinatorics, in which 15 schoolgirls go walking three abreast for seven days in succession, and must be arranged so that no two walk abreast more than once.

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

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