For p = 11 To 12
Do While p > 1 And a(p) > a(p \ 2)
tmp = a(p): a(p) = a(p \ 2): a(p \ 2) = tmp
p = p \ 2
Loop
Next p
若a(1)~a(12)中的元素依次为“25,14,19,5,12,17,8,1,3,10,20,30”执行该程序段后,变量a(1)、a(2)和a(3)的值依次是( )