x "A" "b" c
x "A" "b" c
x "a" "B" c
a "b" "c" x "D" "e" f
a "b" "c" x "D" "e" f
a "b" "c" x "d" "E" f
a "b" "C" x "d" "e" f
a "B" "c" x "d" "e" f
a "b" "c" "X" "d" "e" f
a "b" "c" "x" "D" "e" f
a "b" "c" "x" "d" "E" f
a "b" "C" "x" "d" "e" f
a "B" "c" "x" "d" "e" f
a "b" "C" x
a "b" "C" x
a "B" "c" x