A.A,D,C,R,F,Q,M,S,Y,P,H,X
B.P,A,C,S,Q,D,F,X,R,H,M,Y
C.F,H,C,D,P,A,M,Q,R,S,Y,X
D.H,C,Q,P,A,M,S,R,D,F,X,Y