(;GM[1]FF[4]SZ[19]
GN[Problem 377]
PC[http://senseis.xmp.net/?posting=4608]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=4608

Problem 377]
PL[B]

AB[ea][db][fb][cc][dc][ec][fc][cd][ce][fe]
AW[bb][cb][gb][bc][gc][bd][dd][gd][be][ee][ge][bf][gf][cg][dg][eg][fg]

;B[ef]C[B1]MN[1]
;W[df]C[W2]MN[2]
;B[de]C[B3]MN[3]

;
)
