(;GM[1]FF[4]SZ[19]
GN[Shusai invaded Black's left side.]
PC[http://senseis.xmp.net/?ErasureOrInvasion/ProPlay1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ErasureOrInvasion/ProPlay1

Shusai invaded Black's left side.]
PL[W]

AB[jc][md][nd][od][pd][qd][je][qe][re][cj][qj][dp][pp]
AW[dc][hc][mc][nc][pc][qc][rc][rd][ce][he][qf]

;W[cl]C[W1]MN[1]
;B[ej]C[B2]MN[2]
;W[el]C[W3]MN[3]
;B[gj]C[B4]MN[4]

;
)
