(;GM[1]FF[4]SZ[19]
GN[Tesuji]
PC[http://senseis.xmp.net/?OD1PJuly28Problem/Solution2]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PJuly28Problem/Solution2

Tesuji]
PL[B]

AB[bn][dn][fn][co][bp][fp][gp][bq][eq][hq][iq][kq][jr]
AW[cp][dp][ep][fq][gq][dr][hr]
LB[cr:a][hs:b]

;B[er]C[B1]MN[1]
;W[fr]C[W2]MN[2]
;B[gs]C[B3]MN[3]
;W[es]C[W4]MN[4]

;LB[cr:a][hs:b]
)
