Unchaine:d=4,o=6,b=90:2a.5,b5,2a.5,b5,c_,2a5,a5,e5,g_5,b5,c_,2a.5,b5,2a5,c_5,d5,1e5,2p,2a.5,b5,2a.5,b5,c_,2a5,a5,e5,g_5,b5,c_,2a.5,b5,2a.5,a5,1e