(;GM[1]FF[4]SZ[19]
GN[O is on g]
PC[http://senseis.xmp.net/?CenterSearchAlgorithms]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?CenterSearchAlgorithms

O is on g]
PL[B]

AW[cc]
LB[aa:a][ba:b][ca:e][da:j][ab:d][bb:c][cb:f][db:k][ac:i][bc:h][dc:l][ad:p][bd:o][cd:n][dd:m]


;LB[aa:a][ba:b][ca:e][da:j][ab:d][bb:c][cb:f][db:k][ac:i][bc:h][dc:l][ad:p][bd:o][cd:n][dd:m]
)
