(;GM[1]FF[4]SZ[7]
GN[Filling in (1)]
PC[http://senseis.xmp.net/?ZaruGoProblem1/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ZaruGoProblem1/Solution

Filling in (1)]
PL[B]

AB[da][ea][eb][fb][fc][dd][ed][ee][cf][df][ef][dg]
AW[ca][cb][db][cc][dc][ec][cd][ce][de][bf][bg][cg]

;B[ga]C[B1]MN[1]
;W[be]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[bd]C[W4]MN[4]
;B[gc]C[B5]MN[5]
;W[bc]C[W6]MN[6]
;B[gd]C[B7]MN[7]
;W[bb]C[W8]MN[8]
;B[ge]C[B9]MN[9]
;W[ba]C[W10]MN[10]

;
)
