(;GM[1]FF[4]SZ[19]
GN[Mutual protection [Seki\]]
PC[https://senseis.xmp.net/?TwoSquares]AP[GoWiki:2009]
DT[2024-01-11]
C[Diagram from https://senseis.xmp.net/?TwoSquares

Mutual protection [Seki\]]
PL[B]

AB[ad][bd][cd][de][df][ag][bg][cg][dg]
AW[ac][bc][cc][dc][dd][ce][af][bf][cf]
LB[ae:m][be:m]


;LB[ae:m][be:m]
)
