(;GM[1]FF[4]SZ[19]
GN[exchange - outside hane]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem288/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem288/Attempts

exchange - outside hane]
PL[W]

AB[rb][sb][nc][pc][qc][nd][od][me][mf][rf][ng][og][pg][rg]
AW[lc][rc][sc][ld][md][pd][qd][rd][ne][oe][pe][re][se]
LB[pb:b][mc:a]

;W[nb]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[ob]C[W3]MN[3]
;B[oc]C[B4]MN[4]

;LB[pb:b][mc:a]
)
