*** Create @x with no elements ***
Elements in @x: 0
*** Use array index beyond end as RHS of assignment ***
Value assigned from beyond end of @x: <undef>
Elements in @x: 0
*** Use array index beyond end as LHS of assignment ***
Index: 0
Value: <undef>
Index: 10
Value: <undef>
Index: 21
Value: hello
Index: 32
Value: <undef>
Elements in @x: 22