fwips:  |ωΦ) |ΦωΦ) |(ΦωΦ)凸 |ΦωΦ)凸 |ωΦ)凸

fwips: |ωΦ) |ΦωΦ) |(ΦωΦ)凸 |ΦωΦ)凸 |ωΦ)凸