|
+ A.
+ A/B/C.
+ B/D.(counter)
+ A/C.
+ A/B/C/D.
+ A/C.
+ A/C.
+ A/C.
+ B,
+ B.
+ B, 
+ A/C.
+ A/C.
+ C.
+ B, B,
+ B, (this may be an infinity)
+ B.
+ A.
+ A/B/C.
+ B/D.(counter)
+ A/C.
+ A/B/C/D.
+ A/C.
+ A/C.
+ A/C.
+ A,
+ B.(Total 4 hits)
+ C.
+ A/C.