(;GM[1]FF[4]SZ[19]
GN[Failure 2]
PC[http://senseis.xmp.net/?HikaruProblem4/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?HikaruProblem4/Solution

Failure 2]
PL[B]

AB[db][bc][cc][dc][ed][ee][ef][dg][ch][ci][bj][dj][bk]
AW[bb][ac][bd][cd][cf][cg][bh][bi][aj]

;B[bf]C[B1]MN[1]
;W[be]C[W2]MN[2]
;B[af]C[B3]MN[3]
;W[ag]C[W4]MN[4]
;B[ai]C[B5]MN[5]
;W[de]C[W6]MN[6]

;
)
