(;GM[1]FF[4]SZ[19]
GN[You can give up the stones (four of them) and still be connected (even if white comes down at 6)]
PC[http://senseis.xmp.net/?BQM564]AP[GoWiki:2009]
DT[2012-03-31]
C[Diagram from http://senseis.xmp.net/?BQM564

You can give up the stones (four of them) and still be connected (even if white comes down at 6)]
PL[W]

AB[po][qo][pp][pq][qr]
AW[on][pn][qn][oo][ro][op][oq][pr]

;B[or]C[B4]MN[4]
;W[qq]C[W5]MN[5]
;B[ps]C[B6]MN[6]
;W[qp]C[W7]MN[7]
;B[mq]C[B8]MN[8]

;
)
