(;GM[1]FF[4]SZ[19]
GN[Book answer #1]
PC[http://senseis.xmp.net/?BQM308]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM308

Book answer #1]
PL[W]

AB[ca][db][gb][cc][fc][gc][dd][ed][fd]
AW[da][ha][bb][cb][hb][bc][hc][bd][gd][hd][ce][de][ee][fe]

;W[ea]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[fa]C[W3]MN[3]
;B[ga]C[B4]MN[4]
;W[dc]C[W5]MN[5]
;B[ec]C[B6]MN[6]
;W[cd]C[W7]MN[7]

;
)
