4. Iva marked eight points on a circle and named them by letters. Then she connected the points with a
broken line with seven legs, as shown in the figure.
How many broken lines with seven legs connecting the eight points are there, such that reading the
letters when moving along a broken line Iva can obtain the word KANGAROO?
(A) 1 (B) 2 (C) 3 (D) 4 (E) 6
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