0--1--2--3--4--5--6--7--8--9 Index
-----------------------------
56-82-31-66-23-15-08-42-11-18 Variable (random)
08-10-06-09-05-03-01-07-02-04 ID
On second tick variables will change their values in random order.
0--1--2--3--4--5--6--7--8--9 Index
-----------------------------
89-61-49-92-35-37-86-39-12-64 Variable (random)
09-06-05-10-02-03-08-04-01-07 ID
ID of variables will change according to values, but variables would not change their position in array.