(;GM[1]FF[4]SZ[19]
GN[black fails]
PC[http://senseis.xmp.net/?SewingMachineSequence]AP[GoWiki:2009]
DT[2011-10-31]
C[Diagram from http://senseis.xmp.net/?SewingMachineSequence

black fails]
PL[B]

AB[aa][ba][ca][da][ea][fa][ga][ha][ia][ja][ka][la][ma][ab][bb][cb][eb][gb][ib][kb][mb]
AW[db][fb][hb][jb][lb][ac][bc][cc][dc][ec][fc][gc][hc][ic][jc][kc][lc][nc][cd][be]

;B[ob]C[B31]MN[31]
;W[nb]C[W32]MN[32]
;B[na]C[B33]MN[33]
;W[mc]C[W34]MN[34]
;B[oa]C[B35]MN[35]
;W[pc]C[W36]MN[36]

;
)
