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Fig. 4. The fine structure of the ant's wiggly paths. (A) Each cycle of the ants' wiggles was split into quadrants according to the ants' orientation and turning direction. (i) Orientation away from the wall (-ve), clockwise turn (+ve). (ii) Orientation towards the wall, clockwise turn. (iii) Orientation towards the wall, counterclockwise turn. (iv) Orientation away from the wall, counterclockwise turn. (B,C) The mean distance travelled in each quadrant for the 20 and 30 cm conditions respectively. The large arrow represents the direction of travel. (D) Mean angular velocity in each quadrant plotted against orientation. The data are from 20 cm training routes.