(;GM[1]FF[4]SZ[19]
GN[Don't play close to thickness?]
PC[http://senseis.xmp.net/?BQM7]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM7

Don't play close to thickness?]
PL[B]

AB[ba][ea][fa][ga][oa][qa][bb][gb][pb][rb][sb][ec][fc][gc][lc][pc][sc][bd][cd][dd][fd][jd][md][nd][od][pd][rd][ce][fe][oe][qe][re][bf][ef][rf][cg][dg][bh][eh][ci][di][fi][pj]
AW[ca][ra][ab][db][eb][fb][hb][ob][bc][cc][dc][nc][ad][be][me][ne][pe][of][pf][qf][rg][qh][bi][ei][bj][cj][dj][ej][nj][cp][jp][pp][eq]

;B[qn]C[B1]MN[1]
;W[ql]C[W2]MN[2]
;B[pl]C[B3]MN[3]
;W[pm]C[W4]MN[4]
;B[qm]C[B5]MN[5]
;W[pk]C[W6]MN[6]
;B[ol]C[B7]MN[7]
;W[qk]C[W8]MN[8]
;B[on]C[B9]MN[9]

;
)
