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, / , / / / , / , / / / 0 0 0 0 >/ L >/ L 0 0 > > > > K / L L 0 0 > > > > 0 0 0 0 >/ L >/ L 0 0 > > > > / K L L 0 0 > > > > φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ φ − − − + + + + + − − + + + + = − − − − − + + + + − + − − + + + + 6K"/"L7 / >/ φ= 6K"/"V7!" #$ % "