(;GM[1]FF[4]SZ[19]
GN[Option: exchange]
PC[http://senseis.xmp.net/?Fujitsu17YiWang/MovesTo120]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Fujitsu17YiWang/MovesTo120

Option: exchange]
PL[W]

AB[gb][jb][fc][fd][hd][jd][kd][ld][md][nd][pd][qd][ce][de][oe][pe][bf][pf][dg][eg][lg][mg][pg][ch][mh][nh][ni][qi][cj][nk][qk]
AW[fb][kb][mb][ec][oc][pc][qc][cd][dd][od][be][ke][le][me][ne][cf][ff][if][of][fg][kg][og][eh][jh][lh][oh][li][mi][dj][dk]

;W[df]C[W1]MN[1]
;B[ee]C[B2]MN[2]
;W[ef]C[W3]MN[3]
;B[bd]C[B4]MN[4]
;W[bg]C[W5]MN[5]
;B[ae]C[B6]MN[6]
;W[cg]C[W7]MN[7]

;
)
