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

the sequence begins]
PL[W]

AB[bb][hb][cc][dc][fc][gc][hc][cd][gd][ce][ee][fe][ge][df][dg]
AW[ea][cb][db][eb][fb][gb][ib][ec][pc][dd][ed][fd][de][ef][eg][eh]

;W[ha]C[W31]MN[31]
;B[ga]C[B32]MN[32]
;W[fa]C[W33]MN[33]
;B[jc]C[B34]MN[34]
;W[kb]C[W35]MN[35]
;B[jb]C[B36]MN[36]
;W[ja]C[W37]MN[37]
;B[ic]C[B38]MN[38]
;W[ia]C[W39]MN[39]
;B[lc]C[B40]MN[40]

;
)
