(;GM[1]FF[4]SZ[19]
GN[Caution]
PC[http://senseis.xmp.net/?RTGProblem17/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem17/Attempts

Caution]
PL[B]

AB[ea][fa][cb][fb][fc][ed][fd][de][af][bf][cf][df]
AW[da][eb][bc][dc][ec][dd][ae][be][ce]

;B[cc]C[B1]MN[1]
;W[bb]C[W2]MN[2]
;B[cd]C[B3]MN[3]
;W[bd]C[W4]MN[4]
;B[ba]C[B5]MN[5]

;
)
