(;GM[1]FF[4]SZ[19]
GN[''Topic Dia. 2'' Bent four in the corner: precursor 2.]
PC[https://senseis.xmp.net/?BentFourInTheCornerIsDead]AP[GoWiki:2009]
DT[2019-05-13]
C[Diagram from https://senseis.xmp.net/?BentFourInTheCornerIsDead

''Topic Dia. 2'' Bent four in the corner: precursor 2.]
PL[B]

AB[ba][ab][eb][dc][ec][cd][be][ce]
AW[da][bb][cb][db][bc][ad][bd]


;
)
