發送短信 : Counter clockwise rotation of cylinder with variable position to control base flows

  ______     ___    __    __    _____    __   _   
 /_   _//   / _ \\  \ \\ / //  |  ___|| | || | || 
 `-| |,-   | / \ ||  \ \/ //   | ||__   | '--' || 
   | ||    | \_/ ||   \  //    | ||__   | .--. || 
   |_||     \___//     \//     |_____|| |_|| |_|| 
   `-`'     `---`       `      `-----`  `-`  `-`