(;GM[1]FF[4]SZ[18:20]
GN[Black's chain.]
PC[http://senseis.xmp.net/?UnusualGobans]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnusualGobans

Black's chain.]
PL[B]

AB[aa][ab][ac][eg][ik][hn][in][oq][or][os][bt][ct][dt][ot]


;
)
