(;GM[1]FF[4]SZ[19]
GN[A better one]
PC[http://senseis.xmp.net/?BeginnerExercise18/Attempts]AP[GoWiki:2009]
DT[2017-08-20]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise18/Attempts

A better one]
PL[B]

AB[ga][gb][hb][kb][lb][hc][ic][jc]
AW[ha][ja][fb][ib][mb][ec][gc][lc][nc][gd][hd][id][jd][kd]
SQ[gd]
LB[ea:a][cb:c][eb:b][dc:d]

;B[fa]C[B1]MN[1]
;W[ia]C[W2]MN[2]
;B[db]C[B3]MN[3]

;SQ[gd]
LB[ea:a][cb:c][eb:b][dc:d]
)
