dP   dP   dP   GGGGGGba   GGGGGGba   dP     dP  
 GG   GG   GG   GG    `Gb  GG    `Gb  GG     GG  
 GG  .GP  .GP  aGGaaaaGP'  GG     GG  GGaaaaaGGa 
 GG  dG'  dG'   GG   `Gb.  GG     GG  GG     GG  
 GG.dGPG.dGP    GG     GG  GG    .GP  GG     GG  
 GGGG' YGG'     dP     dP  GGGGGGGP   dP     dP