A. 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 B. 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 C. A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P D. 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F