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

That very interesting tesuji!]
PL[B]

AB[bn][dn][fn][co][bp][fp][gp][bq][eq][hq][iq][kq][er][jr]
AW[cp][dp][ep][fq][gq][dr][fr][hr]

;B[fs]C[B3]MN[3]
;W[gr]C[W4]MN[4]
;B[ds]C[B5]MN[5]

;
)
