(;GM[1]FF[4]SZ[19]
GN[Capturing on the first line]
PC[http://senseis.xmp.net/?FirstLineCapture]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?FirstLineCapture

Capturing on the first line]
PL[B]

AB[ns]
AW[os]

;B[or]C[B1]MN[1]

;
)
