dGGGGGGGP dP GGGGGGba GGGGGGba .dG' GG GG `Gb GG `Gb .dG' GG aGGaaaaGP' aGGaaaaGP' .dG' GG GG GG `Gb. dG' GG GG GG GG YGGGGGGGP GGGGGGGGP dP dP dP