Variabile 1:
Array
(
    [0] => Filippo
    [1] => Merla
    [2] => 14
    [3] => 8.5
)
Variabile 2:
Array
(
    [0] => Marco
    [1] => Rossi
    [2] => 14
    [3] => 6.75
)
Variabile 3:
Array
(
    [0] => Lorenzo
    [1] => Bianchi
    [2] => 14
    [3] => 7.0
)