(;GM[1]FF[4]SZ[19]
GN[Sacrifice, and get a ladder...]
PC[http://senseis.xmp.net/?SegoeTesujiProblem1]AP[GoWiki:2009]
DT[2010-02-20]
C[Diagram from http://senseis.xmp.net/?SegoeTesujiProblem1

Sacrifice, and get a ladder...]
PL[B]

AB[dn][fn][go][ho][dp][hp][pp][dq][eq][mq][dr][gr]
AW[cl][el][ep][gp][ip][fq][hq][kq][er][fr]
CR[ip][kq]

;B[gq]C[B1]MN[1]
;W[fp]C[W2]MN[2]
;B[iq]C[B3]MN[3]
;W[hr]C[W4]MN[4]
;B[ir]C[B5]MN[5]
;W[gs]C[W6]MN[6]
;B[jp]C[B7]MN[7]

;CR[ip][kq]
)
