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Some people once have done the experiment, suspends certain caterpillars on the pot a circle circle, causes their head and tail to be connected, among the pot is putting their food - pine needle, caterpillar with crawling which one does not stop, the minutes and seconds not rest, seven days seven ni

Someone has done experiments, to hold a number of caterpillars into a big circle on the pot, so that they are connected first and last, flower pots in the Middle stood their food-pine needles, the Caterpillar one by one to keep crawling, loyal, and seven days and seven nights, but no one dared to le