# The Schoolgirl Problem Puzzle - Solution

## The Puzzle:

## Our Solution:

Give the girls letters A to O - one possible schedule is then:

The famouse Schoolgirls Problem was first posed by Reverend Thomas Kirkman in 1857. It led to a new branch of mathematics called Combinatorics.

The problem has since been described as a specific example of a Steiner Triple System. Numerous methods of solution exist, but Trial and Error still (just!) works, but you must be patient!

Sun Mon Tues Wed Thu Fri Sat AFK ABE BCF EFI CEK EGM KMD BGL CDG DEH GHK DFL FHN LNE CHM HIL IJM LMA GIO IKB OBH DIN JKN KLO NOC HJA JLC ACI EJO MOF NAG BDJ MNB OAD FGJ

The famouse Schoolgirls Problem was first posed by Reverend Thomas Kirkman in 1857. It led to a new branch of mathematics called Combinatorics.

The problem has since been described as a specific example of a Steiner Triple System. Numerous methods of solution exist, but Trial and Error still (just!) works, but you must be patient!