(;GM[1]FF[4]SZ[19]
GN[Resistance 1: Connection]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem2/Solution]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem2/Solution

Resistance 1: Connection]
PL[B]

AB[eb][bc][cc][dc]
AW[bb][cb][db][fb]
LB[fc:b][gc:a]

;B[ec]C[B1]MN[1]
;W[ea]C[W2]MN[2]

;LB[fc:b][gc:a]
)
