(;GM[1]FF[4]SZ[19]
GN[W1: White's mistake]
PC[http://senseis.xmp.net/?StoneCountingTeachingMethod/FillingTheBoard]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?StoneCountingTeachingMethod/FillingTheBoard

W1: White's mistake]
PL[W]

AB[ca][da][db][eb][cc][dc][ec][dd][ed][de][ee]
AW[aa][ba][bb][cb][ac][bc][ad][cd][ae][be][ce]
CR[bd]

;W[ab]C[W1]MN[1]

;CR[bd]
)
