-BASH-4.0.35$ cat Devil.out
((A1A2)((A3(A4(A5A6)))(((((A7A8)A9)A10)A11)A12)))
((A1(A2(A3(A4A5))))(((((A6A7)A8)A9)A10)A11))
A1
((A1(A2(A3(A4A5))))((A6A7)A8))
((A1A2)A3)
((A1(A2(A3A4)))((((A5A6)A7)A8)A9))
(((A1A2)A3)A4)
((A1A2)((A3A4)A5))
((A1A2)(A3A4))
-BASH-4.0.35$
我的test ouput