(;GM[1]FF[4]SZ[19]
GN[B probably resist with ko]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem172/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem172/Attempts

B probably resist with ko]
PL[W]

AB[lb][ob][pb][kc][oc][sc][pd][qd][rd][sd]
AW[ma][qb][mc][nc][pc][qc][rc][od][oe][pf][rf][qg]

;W[ra]C[W1]MN[1]
;B[sb]C[B2]MN[2]
;W[pa]C[W3]MN[3]
;B[oa]C[B4]MN[4]
;W[nb]C[W5]MN[5]

;
)
