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

Contact]
PL[W]

AB[cc][dd][cf]
AW[dc][fc]
LB[cd:a]

;W[ec]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[de]C[W3]MN[3]

;LB[cd:a]
)
