(;GM[1]FF[4]SZ[19]
GN[Ex 1: Black to play]
PC[http://senseis.xmp.net/?KyuExercise16/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise16/Solution

Ex 1: Black to play]
PL[B]

AB[aq][bq][cq][dq][dr]
AW[ap][bp][cp][dp][ep][eq][er][es]

;B[br]C[B1]MN[1]
;W[cs]C[W2]MN[2]
;B[ds]C[B3]MN[3]
;W[bs]C[W4]MN[4]
;B[as]C[B5]MN[5]
;W[ar]C[W6]MN[6]

;
)
