(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?BlindSpot/Problem4Solution]AP[GoWiki:2009]
DT[2010-11-30]
C[Diagram from http://senseis.xmp.net/?BlindSpot/Problem4Solution

Solution]
PL[W]

AB[cq][eq][fq][gq][hq][iq][br][cr][dr][ir][cs][fs]
AW[bp][cp][dp][ep][fp][gp][hp][ip][jp][aq][bq][dq][jq][ar][hr][jr][gs][is][js]
LB[er:a][fr:b][gr:c][es:d]

;W[hs]C[W1]MN[1]

;LB[er:a][fr:b][gr:c][es:d]
)
