Thoughtl:d=4,o=6,b=180:1d,2d,2e,f,e,d,c,1a5,f,e,d,c,2a5,d,e,2f,2e,2d,2c,1d,2d,2e,f,e,d,c,1a5,f,e,d,c,2a5,d,e,2f,2e,2d,2c