(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem37/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem37/Attempts

]
PL[W]

AB[eb][fb][gb][cc][dc][cd][be][cf][cg]
AW[db][hb][ec][fc][gc][hc][dd][ce][de]
LB[ca:a][da:b]

;W[cb]C[W1]MN[1]
;B[bb]C[B2]MN[2]
;W[bc]C[W3]MN[3]
;B[bd]C[B4]MN[4]
;W[ba]C[W5]MN[5]
;B[ab]C[B6]MN[6]
;W[ea]C[W7]MN[7]

;LB[ca:a][da:b]
)
