Scorrimento veloce Pietraperzia – ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮ ⁮