(;GM[1]FF[4]SZ[19]
GN[upper left.]
PC[http://senseis.xmp.net/?Kuksu47Game4MidgameErasing]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Kuksu47Game4MidgameErasing

upper left.]
PL[B]

AB[cb][db][fc][ed][hd][bf][df][ef][ch][dh][eh]
AW[cc][dd][be][ce][cf][ff][bg][gh][di][gj]
SQ[ca][da][ea][fa][ga][ha][ia][eb][fb][gb][hb][ib]
LB[aa:x][ba:x][bh:a]

;B[bc]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[bb]C[B3]MN[3]

;SQ[ca][da][ea][fa][ga][ha][ia][eb][fb][gb][hb][ib]
LB[aa:x][ba:x][bh:a]
)
