(;GM[1]FF[4]SZ[9]
GN[Best play?]
PC[http://senseis.xmp.net/?BeginnerExercise146/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise146/Solution

Best play?]
PL[B]

AB[eb][fb][gb][gc][hc][ed][gd][de][ee][fe][cf][df][ff][bg][eg][fg][ch][eh][ci]
AW[db][cc][dc][ec][fc][dd][fd][hd][ce][ge][gf][cg][dg][gg][dh][fh][gh][di][ei][fi]

;B[be]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[bh]C[B3]MN[3]
;W[ae]C[W4]MN[4]
;B[bf]C[B5]MN[5]
;W[bb]C[W6]MN[6]
;B[he]C[B7]MN[7]
;W[hf]C[W8]MN[8]
;B[id]C[B9]MN[9]
;W[if]C[W10]MN[10]

;
)
