(;GM[1]FF[4]SZ[19]
GN[Reference]
PC[http://senseis.xmp.net/?BeginnerExercise3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise3/Solution

Reference]
PL[B]

AB[iq][jq][kq][hr][ir][kr][lr][hs][ls]
AW[hp][ip][jp][kp][lp][gq][mq][gr][mr][gs][ms]
CR[hs][ls]
LB[js:a]


;CR[hs][ls]
LB[js:a]
)
