(;GM[1]FF[4]SZ[19]
GN[Correct Defense]
PC[https://senseis.xmp.net/?TsumegoFromGames152/Solution]AP[GoWiki:2009]
DT[2022-12-25]
C[Diagram from https://senseis.xmp.net/?TsumegoFromGames152/Solution

Correct Defense]
PL[W]

AB[ma][oa][lb][kc][lc][rc][ld][md][nd][od][qd][sd][pe][qe][qf][rg]
AW[mb][nb][rb][sb][mc][oc][pc][qc][kd][pd][ke][oe][kf][of][pf][kg][pg][qg]
LB[ob:a]

;W[pb]C[W1]MN[1]
;B[na]C[B2]MN[2]
;W[pa]C[W3]MN[3]

;LB[ob:a]
)
