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it is the earliest known boats
earliest known boats
when were the first boats invented
when were the first boats made
the history of boats
first boats in history
what was the first boat
when was the first boat created
what year was the first boat made
first boat in the world
what year were boats invented
first boat ever built
it is the earliest known boats, earliest known boats, when were the first boats invented, when were the first boats made, the history of boats, first boats in history, what was the first boat, when was the first boat created, what year was the first boat made, first boat in the world, what year were boats invented, first boat ever built