(;GM[1]FF[4]SZ[19]
GN[White trapped?]
PC[http://senseis.xmp.net/?PunishingFusekiMistakesProblem1/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PunishingFusekiMistakesProblem1/Discussion

White trapped?]
PL[B]

AB[pd][en][do][dp][hp][qp][cq]
AW[cc][dl][dn][eo][fo][dq][eq]

;B[ep]C[B1]MN[1]
;W[fp]C[W2]MN[2]
;B[fq]C[B3]MN[3]

;
)
