(;GM[1]FF[4]SZ[19]
GN[How did it happen? (2) - Alternative]
PC[http://senseis.xmp.net/?BQM226]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM226

How did it happen? (2) - Alternative]
PL[W]

AB[pd][on][po][dp]
AW[qm][pq]
LB[pm:b][qo:a]

;W[np]C[W1]MN[1]
;B[pl]C[B2]MN[2]
;W[qp]C[W3]MN[3]
;B[ql]C[B4]MN[4]
;W[rn]C[W5]MN[5]

;LB[pm:b][qo:a]
)
