(;GM[1]FF[4]SZ[19]
GN[Ko for life - Black captures first]
PC[https://senseis.xmp.net/?BeginnerExercise28/Solution]AP[GoWiki:2009]
DT[2024-08-28]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise28/Solution

Ko for life - Black captures first]
PL[W]

AB[rq][mr][nr][or][qr][rr][ms][os][ps]
AW[qo][rp][sp][lq][mq][nq][oq][pq][qq][lr][pr][ls]
LB[qs:a]

;W[rs]C[W1]MN[1]
;B[sq]C[B2]MN[2]
;W[sr]C[W3]MN[3]
;B[ss]C[B4]MN[4]

;LB[qs:a]
)
