(;GM[1]FF[4]SZ[19]
GN[Block on the top]
PC[http://senseis.xmp.net/?BQM496]AP[GoWiki:2009]
DT[2010-01-08]
C[Diagram from http://senseis.xmp.net/?BQM496

Block on the top]
PL[B]

AB[fc][cd][dd][cm][dp]
AW[cc][bd][cf][dj]
CR[dj][cm]
LB[cl:a]

;B[dc]C[B1]MN[1]
;W[bb]C[W2]MN[2]
;B[cb]C[B3]MN[3]
;W[bc]C[W4]MN[4]
;B[ch]C[B5]MN[5]

;CR[dj][cm]
LB[cl:a]
)
