(;GM[1]FF[4]SZ[19]
GN[Black can't live]
PC[https://senseis.xmp.net/?GokyoShumyoSection3Problem64/Solution]AP[GoWiki:2009]
DT[2023-01-22]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection3Problem64/Solution

Black can't live]
PL[W]

AB[ep][fp][cq][dq][kq][lq][mq][nq][er][fr][mr][or][pr]
AW[mo][gp][jp][kp][np][qp][eq][fq][hq][iq][oq][pq][gr][nr][qr][fs]
CR[nr]
LB[qs:a]

;W[ps]C[W1]MN[1]
;B[ns]C[B2]MN[2]
;W[ls]C[W3]MN[3]
;B[jr]C[B4]MN[4]
;W[ks]C[W5]MN[5]
;B[ir]C[B6]MN[6]
;W[is]C[W7]MN[7]
;B[hs]C[B8]MN[8]
;W[hr]C[W9]MN[9]
;B[js]C[B10]MN[10]

;CR[nr]
LB[qs:a]
)
