Owl Sonya decide partymaker to train role gather owl friend country house there m chair locate circle consequently number integer 1 m thus chair i1 neighbour 1 m1 Chairs 1 m neighbour some chair occupy friend there n friend total no friend occupy chair rule follow each participant remove game chair currently sit each participant choose direction follow clockwise index increase m go 1 counterclockwise index decrease 1 go m this direction coincide different pair owl each turn guest step choose direction if guest position chair remove chair game Game end chair leave game owl busy want rid game soon possible they cooperate pick direction your goal find minimum number o move require finish game