(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem57/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem57/Solution

Solution]
PL[B]

AB[ha][cb][ib][dc][hc][jc][dd][gd][hd][de]
AW[bb][gb][hb][bc][gc][ed][fd][ce][df][ef][ff]

;B[fc]C[B1]MN[1]
;W[ec]C[W2]MN[2]
;B[eb]C[B3]MN[3]
;W[fb]C[W4]MN[4]
;B[fa]C[B5]MN[5]

;
)
