(;GM[1]FF[4]SZ[19]
GN[Seki, if the outer groups are alive]
PC[http://senseis.xmp.net/?CapturingRaceExercise16/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?CapturingRaceExercise16/Solution

Seki, if the outer groups are alive]
PL[B]

AB[go][gp][ip][eq][fq][hq][jq][cr][dr][er][ir][kr][cs]
AW[do][ep][fp][bq][cq][dq][gq][br][gr][jr][bs][gs]

;B[hr]C[B1]MN[1]
;W[es]C[W2]MN[2]
;B[hs]C[B3]MN[3]
;W[fs]C[W4]MN[4]

;
)
