Solution: -> 1. + 2. - 2 min <- 1. - 1 min -> 3. + 4. - 9 min <- 2. - 2 min -> 1. + 2. - 2 min Total - 16 min note: -> forward direction <- Reverse direction
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Your feedback is always appreciated.
I will try to reply to your queries as soon as time allows.
Please do not spam Spam comments will be deleted immediately upon our review.