How do you beat level 20 on B-Cubed

2 right, 1 down , 2 left, 1 down, 2 right, 1 up, 1 right, 2 down, 2 right, 2 up, 1 left, 1 down, 3 up, 3 right, 2 down, 1 left, 1 up, 1 left