(;GM[1]FF[4]SZ[19]
GN[Before]
PC[http://senseis.xmp.net/?BillSpight/Step]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BillSpight/Step

Before]
PL[B]

AB[ij]
LB[ji:b][jj:a][kj:b][jk:b]


;LB[ji:b][jj:a][kj:b][jk:b]
)
