(;GM[1]FF[4]SZ[19]
GN[Black's Resistance]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem239/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem239/Solution

Black's Resistance]
PL[W]

AB[pl][ql][rl][sl][pm][sn][oo][ro][oq][pr][rr][qs]
AW[qm][rm][sm][qn][qo][qp][qq][rq][qr]

;W[so]C[W1]MN[1]
;B[sp]C[B2]MN[2]
;W[rs]C[W3]MN[3]
;B[ss]C[B4]MN[4]

;
)
