(;GM[1]FF[4]SZ[19]
GN[Reduce eyespace 3]
PC[http://senseis.xmp.net/?DieterVerhofstadt/SolvingProblems]AP[GoWiki:2009]
DT[2014-06-23]
C[Diagram from http://senseis.xmp.net/?DieterVerhofstadt/SolvingProblems

Reduce eyespace 3]
PL[B]

AB[nl][ol][pl][ql][pm][mn][pn][rn][lo][qo][mp][qp][mq][oq][mr]
AW[om][qm][on][qn][oo][po][np][pp][pq][nr][or]
CR[qm][qn]

;B[rr]C[B1]MN[1]
;W[qr]C[W2]MN[2]
;B[rq]C[B3]MN[3]
;W[nq]C[W4]MN[4]

;CR[qm][qn]
)
