(;GM[1]FF[4]SZ[19]
GN[Hard problem 1]
PC[http://senseis.xmp.net/?DieterVerhofstadt/SolvingProblems]AP[GoWiki:2009]
DT[2014-03-28]
C[Diagram from http://senseis.xmp.net/?DieterVerhofstadt/SolvingProblems

Hard problem 1]
PL[B]

AB[dq][eq][gq][hq][iq][er][fr][ir][js]
AW[cp][dp][ep][fp][gp][hp][ip][cq][fq][jq][dr][jr][lr][ds]


;
)
