`` -sixteen ( three ) ii , on the night of grune 24th last , you did flame or cause to flame those premises known as the old watch house , ankh-morpork , valued at two hundred dollars ; and that , sixteen ( three ) iii , on the night of grune 24th last , upon being apprehended by an officer of the watch in the execution of his duty- '' `` i think we should hurry up , '' whispered vimes .