0.<br/>Array
(
    [0] => 1
    [1] => 2
    [2] => 3
)
<br/>1.<br/>Array
(
    [0] => 1
    [1] => 2
    [2] => 3
)
<br/>2.<br/>Array
(
    [0] => 1
    [1] => 3
    [2] => 2
)
<br/>3.<br/>Array
(
    [0] => 2
    [1] => 4
    [2] => 1
    [3] => 3
)
<br/>4.<br/>Array
(
    [1] => 2
    [2] => 4
    [3] => 1
    [4] => 3
)
<br/>0. == 1. - rovná se<br/>1. == 2. - nerovná se<br/>2. == 3. - nerovná se<br/>3. == 4. - nerovná se<br/>1. == 2. (sorted) - rovná se<br/>