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Option 3 :
One arrow is added in each step such that the direction of the arrow is opposite to the previous one and the line is shifted to the right-hand side.
[ alt="RRB Lakshit Rankawat 13 July Part 1 18" src="//storage.googleapis.com/tb-img/production/19/07/RRB_Lakshit%20Rankawat_13%20July_Part%201_%2018.PNG" style="width: 121px; height: 86px;">
Hence, the above figure is the correct answer.
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