(;GM[1]FF[4]SZ[19]
GN[Maybe the same concept at work]
PC[http://senseis.xmp.net/?BQM510]AP[GoWiki:2009]
DT[2010-03-02]
C[Diagram from http://senseis.xmp.net/?BQM510

Maybe the same concept at work]
PL[B]

AB[bi][ci][di][dj][ck]
AW[bj][cj][bk][dk][dl][dm][cn]

;B[bl]C[B1]MN[1]
;W[cl]C[W2]MN[2]
;B[ak]C[B3]MN[3]
;W[aj]C[W4]MN[4]
;B[ai]C[B5]MN[5]
;W[al]C[W6]MN[6]

;
)
