.GGGGG.   dP   dP   dP   .GGGGG.    .dGGGGGG  
 dG'   `GG  GG   GG   GG  dG'   `GG  dG'    GG  
 GG         GG  .GP  .GP  GG         GGaaaaaGGa 
 GG   YPGG  GG  dG'  dG'  GG   YPGG  GG     GG  
 YG.   .GG  GG.dGPG.dGP   YG.   .GG  GG     GG  
  `GGGGG'   GGGG' YGG'     `GGGGG'   GG     GG