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Continue to ChatBackstroke's "No Resubmersion During the Swim" Rule https://reachforthewall.org/2017/06/02/dq-watch-backstrokes-no-resubmersion-during-the-swim-rule/
Backstroke's "No Resubmersion During the Swim" Rule https://reachforthewall.org/2017/06/02/dq-watch-backstrokes-no-resubmersion-during-the-swim-rule/