石头桌

east=false,north=false,south=false,west=false east=false,north=false,south=false,west=true east=false,north=false,south=true,west=false east=false,north=false,south=true,west=true east=false,north=true,south=false,west=false east=false,north=true,south=false,west=true east=false,north=true,south=true,west=false east=false,north=true,south=true,west=true east=true,north=false,south=false,west=false east=true,north=false,south=false,west=true east=true,north=false,south=true,west=false east=true,north=false,south=true,west=true east=true,north=true,south=false,west=false east=true,north=true,south=false,west=true east=true,north=true,south=true,west=false east=true,north=true,south=true,west=true