A. Where a trial has been scheduled in one case prior to the scheduling of another matter in another Court, or elsewhere, where an attorney or party has a conflict in date and time, the case first scheduled shall not be subject to a continuance because of the subsequently scheduled matter which is in conflict as to time and date except as follows:
(a) A subsequently scheduled case involving trial by jury in a Superior or Federal District Court, or argument before the Supreme Court.
(b) Unusual circumstances causing the respective Courts to agree that an order of precedence other than the above shall take place.
B. Other grounds for continuance may be illness of a defendant, defense attorney, or prosecutor; want of material testimony, document, or