(;GM[1]FF[4]SZ[19]
GN[White 53:''ko'' along the edge]
PC[http://senseis.xmp.net/?TG53UpperLeft]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?TG53UpperLeft

White 53:''ko'' along the edge]
PL[W]

AB[fb][cc][fc][cd][ed][de][cf][jg][gj]
AW[gb][gc][nc][dd][fd][jd][ce][fe][df][lg][dj][jj]

;W[be]C[W1]MN[1]
;B[dc]C[B2]MN[2]
;W[ee]C[W3]MN[3]
;B[dg]C[B4]MN[4]

;
)
