(;GM[1]FF[4]SZ[19]
GN[Failure 1]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem88/Solution]AP[GoWiki:2009]
DT[2016-07-17]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem88/Solution

Failure 1]
PL[B]

AB[ob][pb][rb][sb][sc][qd][sd][pe][qe][se][qf][sf][pg][oh][ph][oi][qi][ri][si]
AW[oa][nb][qb][oc][qc][rc][nd][rd][re][of][pf][rf][ng][qg][sg][mh][qh][rh][sh][pi][nj][oj][pj][rk]
CR[qg][sg]

;B[rg]C[B17]MN[17]
;W[ra]C[W18]MN[18]
;B[pc]C[B19]MN[19]
;W[qa]C[W20]MN[20]

;CR[qg][sg]
)
