(;GM[1]FF[4]SZ[19]
GN[Escape in progress]
PC[http://senseis.xmp.net/?BeginnerExercise50/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise50/Solution

Escape in progress]
PL[W]

AB[eq][fq][cr][dr][gr][hr][es]
AW[dp][ep][fp][bq][cq][gq][hq][jq][br][ir]

;W[hs]C[W1]MN[1]
;B[gs]C[B2]MN[2]
;W[fr]C[W3]MN[3]
;B[is]C[B4]MN[4]

;
)
