ClimbingOverObstacle.mpg Forward.mpg ObstacleAvoidanceI-BC.mpg ObstacleAvoidanceI.mpg ObstacleAvoidanceII.mpg RealbotObstacleAvoidance.mpg RealbotSidewaysRight.mpg RollingAndTransforming.mpg SidewaysLeft.mpg SidewaysRight.mpg Supplementary information.pdf robot.zip