For the Hard Badge. You can change the angle to hit the same brick twice with one ball (bouncy). This is straightforward on (1-2, 1-3, 1-6, 1-9, 1-12, 2-3, 2-4, 2-8, 2-20). You can also hit two blocks at once (aim for the corner) on 1-8. That makes ten! + if this helps.
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