I have tried level 2342 again yesterday and that time I chose Hitter instead of Grower (I always chose Grower previously) and tried to finish the hit 8 oysters task first before the other ones (usually I tried to finish the flowers one first)
Idk how that time there were 8 oysters! So I passed this level.
But I am really sure I only got 7 oysters and 6 oysters before because I was pretty dumbfounded and I had around 6 moves left that time (while I just need to hit 1 more oyster to win) so I spent my moves while questioning why there was no more oyster. Too bad I didn't screencap it