(;GM[1]FF[4]SZ[19]
GN[Joseki]
PC[http://senseis.xmp.net/?RTGProblem16]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem16

Joseki]
PL[B]

AB[ce]
AW[dc]
LB[eb:c][fb:b][fc:a]

;B[ed]C[B1]MN[1]
;W[ec]C[W2]MN[2]
;B[fd]C[B3]MN[3]
;W[gc]C[W4]MN[4]

;LB[eb:c][fb:b][fc:a]
)
