(;GM[1]FF[4]SZ[19]
GN[Atari]
PC[https://senseis.xmp.net/?posting=11790]AP[GoWiki:2009]
DT[2021-08-10]
C[Diagram from https://senseis.xmp.net/?posting=11790

Atari]
PL[B]

AB[dd][cf]
AW[dc][fc]
CR[dc]
LB[eb:c][ed:b][fd:a]

;B[cc]C[B1]MN[1]
;W[cb]C[W2]MN[2]
;B[ec]C[B3]MN[3]
;W[db]C[W4]MN[4]

;CR[dc]
LB[eb:c][ed:b][fd:a]
)
