dP   dP   dP   GGGGGGGGb  dP  .dGGGGGb  
 GG   GG   GG   GG         GG  GG.    "' 
 GG  .GP  .GP  aGGaaaa     GG  `YGGGGGb. 
 GG  dG'  dG'   GG         GG        `Gb 
 GG.dGPG.dGP    GG         GG  dG'   .GP 
 GGGG' YGG'     GGGGGGGGP  dP   YGGGGGP