(;GM[1]FF[4]SZ[19]
GN[White must respond.]
PC[http://senseis.xmp.net/?Imagist/SequencesPage]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Imagist/SequencesPage

White must respond.]
PL[B]

AB[ga][ha][ia][ka][la][jb][lb][lc][ld][le]
AW[fa][fb][hb][ib][kb][jc][kc][kd][ke]

;B[gb]C[B1]MN[1]
;W[gc]C[W2]MN[2]
;B[ja]C[B3]MN[3]
;W[hc]C[W4]MN[4]

;
)
