Ment
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This works because there is no return "telega" (cart) in the condition. The only "telega" there is, is a figurative description of transporting canvases that cannot be carried by hand.
Crossing the border means stepping over the checkpoint, showing your passport. Since only people can cross it, and luggage needs to be transported, the question is how to transport each inanimate item with the help of a person in the correct order, preserving its integrity.
Or maybe it's better not to read it, because your incorrect understanding of the conditions gave the correct answer, and my incorrect understanding of the conditions didn't, hehe.