(;GM[1]FF[4]SZ[19]
GN[Failure]
PC[http://senseis.xmp.net/?OD1PAug22Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug22Problem/Solution

Failure]
PL[B]

AB[pp][qp][sp][qq][rq]
AW[rn][oo][po][qo][ro][op][rp][mq][pq]
CR[pq]

;B[pr]C[B1]MN[1]
;W[or]C[W2]MN[2]
;B[oq]C[B3]MN[3]
;W[nr]C[W4]MN[4]

;CR[pq]
)
