(;GM[1]FF[4]SZ[19]
GN[Black to play]
PC[https://senseis.xmp.net/?BeginnerExercise30/Solution]AP[GoWiki:2009]
DT[2024-08-29]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise30/Solution

Black to play]
PL[B]

AB[da][fa][cb][db][eb][fb][bc][ad][bd][be][af][bf]
AW[ga][bb][gb][cc][dc][ec][fc][gc][cd][ce][cf][ag][bg][cg]

;B[ba]C[B1]MN[1]
;W[ab]C[W2]MN[2]

;
)
