DB<46> 1->[2] = 3

  DB<47> x @1
0  undef
1  undef
2  3
  DB<48>

##</code><code>##

  DB<45> use strict; my @PP; $PP[1]=1; $PP[1][2] = 3
Can't use string ("1") as an ARRAY ref while "strict refs" in use at (eval 66) ...