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if [ "${emails[$idxA]}" == "${emails[$idxB]}" ] || [ "${emails[$idxB]}" == "${emails[$idxC]}" ] || [ "${emails[$idxA]}" == "${emails[$idxC]}" ]; then
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if [ "${emails[$idxA]}" == "${emails[$idxB]}" ] || [ "${emails[$idxB]}" == "${emails[$idxC]}" ] || [ "${emails[$idxA]}" == "${emails[$idxC]}" ]; then
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