extreme

δ½•ε‡¦γ‹γŠγ‹γ—γ„ζ‰€γ“γ“η›΄γ—γŸγ‚‰θ‰―γ„ζ‰€ζ•™γˆγ¦γγ γ•γ‚‹γ¨ε¬‰γ—γ„γ§γ™ works (1)