9 10 R for white sequence 5 R for white sequence 5 R R R for black sequence 6 4 5 4 3 R 11 R 4 3 7 R for black sequence 10 4 6 1 1 7 2 3 1 1 2 3 8 8 9 2 11 2 12 R for black sequence R for white sequence 2 2 R 2 R R for white sequence 2 R R R for black sequence 1 1 1 1 Resist the urge to shout or flap! 13 R 14 R for white sequence 3 R 3 R R R for black sequence 2 1 2 1 Experiment with the two lines shown here. September 19 | Clean Run 17