Sec. 6. Times specified in sections 2 and 3 of this chapter shall be computed excluding delays resulting from any of the following:
(1) Continuances granted on the child's motion.
(2) The actions of the child.
(3) Congestion of the court calendar if the prosecuting attorney moves for a continuance not later than three (3) days before the hearing, except that a motion may be filed less than three (3) days before the hearing if the prosecuting attorney shows that the delay was not the fault of the state.