From the video to practice bending http://www.youtube.com/watch?v=jF2iATfES8c -1 -1d 1 -2 -2d 2 -3 -3d 3 -4 -4d 4 -5 -5d 5 -6 -6d 6 -6 -6d 6 -5 -5d 5 -4 -4d 4 -3 -3d 3 -2 -2d 2 -1 -1d 1 Reversed pattern 1 -1d -1 2 -2d -2 3 -3d -3 4 -4d -4 5 -5d -5 6 -6d -6 6 -6d -6 5 -5d -5 4 -4d -4 3 -3d -3 2 -2d -2 1 -1d -1