File Name : fig. s1.jpg Caption : fig. s1 (a) the simulation result of a c. reinhardtii cell swimming at 112.38 μm s-1. (b) the simulation result of a c. reinhardtii cell carrying two ps microbeads swimming at 83.8 μm s-1. white horizontal lines represent the streamlines. the color map shows the flow velocity distribution. File Name : fig. s2.jpg Caption : fig. s2 the simulation result of the integrated structure spinning at 2.1 rad s-1. white circles represent the streamlines. the color map shows the flow velocity distribution.