(;GM[1]FF[4]SZ[19]
GN[Failure 3]
PC[https://senseis.xmp.net/?GokyoShumyoSection1Problem49/Solution]AP[GoWiki:2009]
DT[2023-01-13]
C[Diagram from https://senseis.xmp.net/?GokyoShumyoSection1Problem49/Solution

Failure 3]
PL[B]

AB[lb][mb][qb][mc][oc][qc][pd]
AW[kb][rb][kc][lc][rc][md][nd][qd][qe][of][qg]

;B[ob]C[B1]MN[1]
;W[nc]C[W2]MN[2]
;B[nb]C[B3]MN[3]
;W[pa]C[W4]MN[4]

;
)
