his stomach was still too full to do anything else , so he lay down on the floor . he murmured , sand stuck to his face . except that the door was locked and there were no windows it was a reasonable room . steven barked , tell him youre okay . `` the first number is always the page , the second is the line , the third is the word , the fourth is the letter , get it ? and that would have been rather unpleasant . 