(;GM[1]FF[4]SZ[19]
GN[Escape?]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem20b/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem20b/Solution

Escape?]
PL[B]

AB[bq][cq][dq][eq][er]
AW[co][bp][dp][ep][fq][hq][br][fr]
CR[cp][fp]
LB[ar:a][cs:b]

;B[aq]C[B1]MN[1]
;W[es]C[W2]MN[2]
;B[ds]C[B3]MN[3]
;W[cr]C[W4]MN[4]
;B[fs]C[B5]MN[5]
;W[bs]C[W6]MN[6]
;B[is]C[B7]MN[7]

;CR[cp][fp]
LB[ar:a][cs:b]
)
