turn(lepre,act,superare,20,1,30-46)
turn(pro,act,andarsene,20,1,30-46)
turn(tartaruga,act,incamminarsi,20,2,31-48)

turn(tartaruga, act, incamminarsi, 20, 2, 31-48).
turn(lepre, act, andarsene, 20, 1, 30-46).
turn(lepre, act, superare, 20, 1, 30-46).
