GGGGGGGGb   GGGGGGba   dP    dP  dP    dP 
  GG          GG    `Gb  YG.  .GP  YG.  .GP 
 aGGaaaa     aGGaaaaGP'   YGaaGP    YGaaGP  
  GG          GG   `Gb.     GG     dG'  `Gb 
  GG          GG    .GG     GG     GG    GG 
  dP          GGGGGGGGP     dP     dP    dP