(;GM[1]FF[4]SZ[19]
GN[Secure yourself first]
PC[http://senseis.xmp.net/?Noseki4]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?Noseki4

Secure yourself first]
PL[B]

AB[jc][dd]
AW[fc][df]
LB[hd:c][id:d][gf:a][dg:b]

;B[ef]C[B1]MN[1]
;W[eg]C[W2]MN[2]
;B[ee]C[B3]MN[3]
;W[fg]C[W4]MN[4]
;B[cc]C[B5]MN[5]

;LB[hd:c][id:d][gf:a][dg:b]
)
