(;GM[1]FF[4]SZ[19]
GN[Diagram 21-4 (Opening and sequence dissection)]
PC[http://senseis.xmp.net/?posting=3751]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?posting=3751

Diagram 21-4 (Opening and sequence dissection)]
PL[B]

AB[lc][qd][cp][hp][gq][pq]
AW[dc][oc][qo][gp][op][eq]

;B[pp]C[B1]MN[1]
;W[po]C[W2]MN[2]
;B[oo]C[B3]MN[3]

;
)
