[tag=JJ | word=I | □]
[tag=JJ | word=I | □=□]
[tag=JJ | word=I | □ | □]
Sculpted from wooden strips separated by thin aluminum dividers , each panel consists of an array of wells of equal width but different depths . Followers can then benefit from the map-reading and route-selection skills of the leaders . In orienteering , shared map-reading and route-selection skills provide the boost . Scholars and others would inscribe geometric problems on wooden tablets , then hang the tablets under the eaves of Shinto shrines and Buddhist temples as offerings . The first would tell phone companies to destroy customer records as soon as the records are no longer are needed for legitimate business purposes . The operations themselves were risky , with a death rate of about 1 in 50 . The goal is to remove as many stones as possible from the board by alternating white and black moves . the white and black players cooperate , becoming effectively a single player , " Erik Demaine explains . In a one-dimensional game ( a row of alternating white and black stones ) , you can remove only about three-quarters of the stones .