(;GM[1]FF[4]SZ[19]
GN[Solution 1 : first, reduction to one eye with 2 liberties in sente]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem135/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem135/Solution

Solution 1 : first, reduction to one eye with 2 liberties in sente]
PL[W]

AB[eq][fq][hq][hr][jr][kr][lr][hs]
AW[bo][ep][fp][gp][hp][ip][bq][cq][dq][jq][kq][lq][mq][mr][ms]

;W[gq]C[W1]MN[1]
;B[gr]C[B2]MN[2]
;W[fs]C[W3]MN[3]
;B[er]C[B4]MN[4]
;W[ir]C[W5]MN[5]
;B[iq]C[B6]MN[6]
;W[ls]C[W7]MN[7]
;B[is]C[B8]MN[8]
;W[ks]C[W9]MN[9]
;B[js]C[B10]MN[10]

;
)
