(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[https://senseis.xmp.net/?KyuExercise83/Solution]AP[GoWiki:2009]
DT[2024-09-24]
C[Diagram from https://senseis.xmp.net/?KyuExercise83/Solution

Solution]
PL[W]

AB[ha][cb][hb][gc][hc][ad][ed][fd][hd][ae][be][ce][de][ef]
AW[aa][ga][ab][fb][gb][ac][dc][ec][fc][bd][cd][dd]
LB[ba:b][ca:a][bc:c]

;W[bb]C[W1]MN[1]
;B[ea]C[B2]MN[2]
;W[db]C[W3]MN[3]
;B[da]C[B4]MN[4]

;LB[ba:b][ca:a][bc:c]
)
