DBL16(Y)B,DBL16(Y)B
DBL16(Z)A,DBL16(Z)A
DBL17(A)B,DBL17(A)B
DBL17(B)C,DBL17(B)C
DBL17(C)D,DBL17(C)D
DBL17(E)F,DBL17(E)F
DBL17(G)H,DBL17(G)H
DBL17(Z)A,DBL17(Z)A
