text: import geo3x3
  
  ## get Geo3x3 code from latitude / longitude / level
  code = geo3x3.encode(35.65858, 139.745433, 14)
  print(code) # E3793653391822
  
  ## get location from Geo3x3 code
  pos = geo3x3.decode('E3793653391822')
  print(pos) # (35.658633790016204, 139.74546563023935, 14, 0.00011290058538953522)
  