(;GM[1]FF[4]SZ[19]
GN[Problem 142: Black to play. [Answer|/Answer142\]]
PC[http://senseis.xmp.net/?MaedaTsumego]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?MaedaTsumego

Problem 142: Black to play. [Answer|/Answer142\]]
PL[B]

AB[ah][bh][ch][di][dj][dk][cl][cm][an][bn][cn]
AW[bf][dg][dh][ai][bi][ci][cj][ck][bl][bm]


;
)
