(;GM[1]FF[4]SZ[19]
GN[Moves 1 to 4]
PC[http://senseis.xmp.net/?BeginnerExercise125/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise125/Solution

Moves 1 to 4]
PL[B]

AB[db][dc][hc][dd][gd][ee][fe][ge][df]
AW[cb][cc][fc][cd][ed][fd][ce][de]

;B[fa]C[B1]MN[1]
;W[fb]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[ea]C[W4]MN[4]

;
)
