(;GM[1]FF[4]SZ[19]
GN[Solution.]
PC[http://senseis.xmp.net/?OD1PAug25Problem/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?OD1PAug25Problem/Solution

Solution.]
PL[B]

AB[cc][dc]
AW[ec][gc][cd][ed][de]

;B[bb]C[B1]MN[1]
;W[db]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[eb]C[W4]MN[4]
;B[bd]C[B5]MN[5]
;W[be]C[W6]MN[6]
;B[ac]C[B7]MN[7]

;
)
