E-5-5-5-8-5-1-1-1-1-5-3 b---------------3------- e-5-5-5-5-8-5-1-1-1-1-5-3 b-----------------3-------- e-5-5-6-6-6-8-8-8-10-10-13-10-8-8-8-6-6-6-5 x2 b---------------------------------------------