One gap, one printed Joker
4♥,6♥ andPJ1 can be interpreted as a run.
Read the noteA small change can change the group.
Inspect valid and invalid arrangements with explanations.
Our original examples isolate one detail at a time. Keep deck identity, wild rank and the chosen interpretation visible.
A designated wild rank can be used naturally
A face identity can matter before substitution.
Read the noteTwo copies of clubs do not create different suits
A valid input can still make an invalid arrangement.
Read the noteNo entries match. Try a different search or topic.