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The snooker table is bounded by the lines $x=0$, $x=9$, $y=0$ and $y=6$. The white ball is at W(3, 3), the brown (target ball T) is at (9, 6), the pink is at (7, 3), the black is at (7, 5) and the blue is at (1, 4). With no other balls in the way, travelling initially in the direction WA or WB, the white ball would hit the target having bounced off one wall.
With no other balls in the way, travelling initially in the direction WC, WD or WE, the white ball would hit the target having bounced off two walls.
With no other balls in the way, travelling initially in the direction WF or WH, the white ball would hit the target having bounced off three walls and in the direction WG it would bounce off 4 walls.
This pattern can of course be extended in all directions to show bouncing off 4 or more walls.
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