So when the robbers came, hoping this time to light upon the door without fail, they found not one but six all similarly marked with red.
When the second spy had received the due reward of his blunder, the captain considered how by trusting to others he had come to lose two of his bravest followers, so the third attempt he determined to conduct in person. Having found his way to Ali Baba's door, as the two others had done by the aid of Baba Mustapha, he did not set any mark upon it, but examined it so carefully that he could not in future mistake it. He then returned to the forest and communicated to his band the plan which he had formed. This was to go into the town in the disguise of an oil-merchant, bearing with him upon nineteen mules thirty-eight large leather jars, one of which, as a sample, was to be full of oil, but all the others empty. In these he purposed to conceal the thirty-seven robbers to which his band was now reduced, and so to convey his full force to the scene of action in such a manner as to arouse no suspicion till the signal for vengeance should be given.
Within a couple of days he had secured all
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