From MahjongSoul
Answer
Commentary
Be careful and don't hesitate
In this situation, you must win this game.
But it isn't a rare to be careless and fall off the top.
What is the best option of this situation to win this game??
In this situation, you fall from top by dealer winning 6000 all or your dealing in to dealer's 12000.
And, you can get the top even if you deal in to the Riichi by 16000 point (BaiMan).
Reducing the probability of 24000, I discarded green dragon(most safety tile) at the first round.
But this round, I must deal in to the opposite player to finish this game my staying the top.
So you discard the in a dangerous order.
4-7 p that you can see 4 tiles is very likely to deal in.
And then, 9m is the second.
Next, 2-5s is dangerous.
The finish is below.
Incidentally, added the concealed Dora in this case, this hand get 12000.
But this Riichi usually has 8000 at a highest estimate.
Because he can rise to the order if his hand had 12000. He through my river and bet his own draw.
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Mt Fuji at twilight time across the sea.
Seeing beautiful sunset, made my day.