(;GM[1]FF[4]SZ[19]
GN[Descent again]
PC[http://senseis.xmp.net/?BQM80]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM80

Descent again]
PL[B]

AB[rb][oc][pc][qc][nd][ne][oe][qf][rf]
AW[mc][nc][rc][ld][od][pd][qd][rd][qe][qh]

;B[sb]C[B1]MN[1]
;W[pa]C[W2]MN[2]
;B[ob]C[B3]MN[3]
;W[nb]C[W4]MN[4]
;B[qa]C[B5]MN[5]
;W[oa]C[W6]MN[6]
;B[qb]C[B7]MN[7]

;
)
