(;GM[1]FF[4]SZ[19]
GN[Black plays first]
PC[http://senseis.xmp.net/?BQM21/BottomSide]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM21/BottomSide

Black plays first]
PL[B]

AB[pj][bm][cn][dn][dp][eq][jq]
AW[bl][cl][cm][qm][fp][pp][fq][nq]

;B[go]C[B1]MN[1]
;W[er]C[W2]MN[2]
;B[dr]C[B3]MN[3]
;W[hp]C[W4]MN[4]

;
)
