(;GM[1]FF[4]SZ[9]
GN[Best play? (3), W22 at WW, B25 at B19, W26 pass, B27 at WW, pass, pass]
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? (3), W22 at WW, B25 at B19, W26 pass, B27 at WW, pass, pass]
PL[B]

AB[da][ea][eb][fb][gb][gc][hc][ed][gd][id][be][de][ee][fe][he][ie][bf][cf][df][ff][ag][bg][eg][fg][bh][ch][eh][ci]
AW[ca][bb][db][cc][dc][ec][fc][ad][bd][dd][fd][ae][ce][ge][af][gf][hf][if][cg][dg][gg][dh][fh][gh][ih][di][ei][fi]
CR[ce]

;B[cd]C[B19]MN[19]
;W[ic]C[W20]MN[20]
;B[ib]C[B21]MN[21]
;B[ba]C[B23]MN[23]
;W[aa]C[W24]MN[24]
;B[cd]C[B25]MN[25]

;CR[ce]
)
