WGWGWGWGWGWGWGWGWGWGWGWGWG
WGXR                    WG
WG  WGWGWGWGWGWGWGWGWG  WG
WG                    SBWG
WGZGSB  SBSB  SB  SB    WG
WG                  SB  WG
WG      SB              WG
WG    SB    SB    SB  ZBWG
WG  SB                  WG
WG      SB    SB    SB  WG
WG  WGWGWGWGWGWGWGWGWG  WG
WG                    GRWG
WGWGWGWGWGWGWGWGWGWGWGWGWG
--------------------------
WGWGWGWGWGWGWGWGWGWGWGWGWG
WG B B B R R B B B B B BWG
WG BWGWGWGWGWGWGWGWGWG BWG
WG B B B B B B B B B B BWG
WG                      WG
WG                      WG
WG                      WG
WG                      WG
WG                      WG
WG G G G G G G G G G G GWG
WG GWGWGWGWGWGWGWGWGWG GWG
WG G G G G G G G G G G GWG
WGWGWGWGWGWGWGWGWGWGWGWGWG