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

Reference diagram]
PL[B]

AB[qd]
AW[od]

;B[oc]C[B1]MN[1]
;W[nc]C[W2]MN[2]
;B[pc]C[B3]MN[3]
;W[nd]C[W4]MN[4]
;B[qf]C[B5]MN[5]
;W[jd]C[W6]MN[6]

;
)
