The robot moves along the line, turn right at the first turn and then turn left along the same lines to the point where the two left-handed, then walk back along the same line on the center line. Crescent left and walk along the line at the junction turn left again to get to the point where the three left-handed, then walk back along the same route to the fourth left-handed, then walk back along the same route at the junction turn right to the point. finished The robot will stop
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