dP   dP   dP   .GGGGG.   GGGGGGba    GGGGGGba  
 GG   GG   GG  dG'   `GG  GG    `Gb   GG    `Gb 
 GG  .GP  .GP  GG         GG     GG  aGGaaaaGP' 
 GG  dG'  dG'  GG   YPGG  GG     GG   GG        
 GG.dGPG.dGP   YG.   .GG  GG     GG   GG        
 GGGG' YGG'     `GGGGG'   dP     dP   dP