(;GM[1]FF[4]SZ[19]
GN[An error and Black lives]
PC[http://senseis.xmp.net/?BeginnerExercise76/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise76/Solution

An error and Black lives]
PL[W]

AB[ab][cb][ac][bc][cc][dc]
AW[db][ec][gc][ad][bd][cd][dd][ed]

;W[ba]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[da]C[W3]MN[3]
;B[ca]C[B4]MN[4]

;
)
