| 1. | Simply head north on Vine Street and double back on Hollywood Boulevard.
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| 2. | He doubled back, found the right exit, and fought traffic from there.
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| 3. | Then we doubled back to linger at the spots that interested us.
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| 4. | It was the same truck, doubling back and, seemingly, scouting their movements.
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| 5. | But Rogan doubled back and got stopped on Michigan Avenue, police said.
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| 6. | Brown doubled back into the sequence without breaking the flow of movement.
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| 7. | Along the trail, Tom doubles back and captures Brand and his men.
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| 8. | The road passes through Palekastro where it doubles back towards the south.
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| 9. | Nevertheless, we were shocked and appalled when winter doubled back on us.
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| 10. | With thalidomide, the drug development trail doubles back to Rockville and Entremed.
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