Linked List Floyd's Cycle

This rule is not applicable for all the cases.

1->2->3->4->5->6

         ->9     ->7
             ->8

In this case x is not equal to z.
Please help

your test case is not visualizable

where is cycle in this? or didn’t contain cycle

file:///C:/Users/Ansh%20Goel/OneDrive/Pictures/Screenshots/Screenshot%20(261).png

what you want to show me?
where is cycle
you just tell me which node is starting point of cycle

5 is the starting node. The cycle consists of 6,7, and 8

floyd’s algo explained in video
is also applicable in this case

what is the problem in this case