(;GM[1]FF[4]SZ[19]
GN[solution, variation 2: B6 at W3]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem50/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem50/Attempts

solution, variation 2: B6 at W3]
PL[W]

AB[ea][fa][db][fb][dc][fc][cd][gd][ce][ge][df][gf]
AW[eb][gb][ec][gc][jc][dd][ed][fd][hd][he][je]

;W[cc]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[da]C[W3]MN[3]
;B[ca]C[B4]MN[4]
;W[ga]C[W5]MN[5]
;B[da]C[B6]MN[6]
;W[bc]C[W7]MN[7]

;
)
