His signal, relayed through Dick and Sandy to Jeff, shifted the gently banked curve into a straighter line and swiftly the lines of the oncoming craft, miles away, became clear.Well be getting tired of turning to the left all the time, Jeff suggested. Think you could follow a sort of zig-zag, flying slantwise across the course of that-there boat, then coming around an angle and flying slantways back to the other side?