DBL14(F)E,DBL14(F)E
DBL14(F)G,DBL14(F)G
DBL14(F)H,DBL14(F)H
DBL14(G)H,DBL14(G)H
DBL14(H)G,DBL14(H)G
DBL14(H)I,DBL14(H)I
DBL14(I)J,DBL14(I)J
DBL14(K)L,DBL14(K)L
