(;GM[1]FF[4]SZ[19]
GN[How to handle a weak group?]
PC[http://senseis.xmp.net/?BQM588]AP[GoWiki:2009]
DT[2015-12-20]
C[Diagram from http://senseis.xmp.net/?BQM588

How to handle a weak group?]
PL[W]

AB[qc][pd][ce][pf][ci][qj][mo][op][pp][qp][lq]
AW[pb][dc][kc][nc][ed][dp][nq][pq][qq][nr]
CR[qj][nq]
LB[pm:a]

;W[oj]C[W1]MN[1]
;B[ph]C[B2]MN[2]
;W[ol]C[W3]MN[3]
;B[nk]C[B4]MN[4]
;W[ok]C[W5]MN[5]
;B[ql]C[B6]MN[6]
;W[mm]C[W7]MN[7]
;B[lk]C[B8]MN[8]
;W[on]C[W9]MN[9]
;B[np]C[B10]MN[10]

;CR[qj][nq]
LB[pm:a]
)
