(;GM[1]FF[4]SZ[19]
GN[if Black moves out ...]
PC[http://senseis.xmp.net/?PositionalJudgementProblem4/Discussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PositionalJudgementProblem4/Discussion

if Black moves out ...]
PL[W]

AB[aa][bb][bc][cc][ec][qc][ad][bd][cd][ed][pd][ae][be][de][qf][pg][qi][ri][si][rj][ck][cn][no][po][qo][dp][pp][rp][eq][lq][pq][rq][or][qr][ps]
AW[ca][da][cb][db][eb][pb][dc][fc][kc][nc][dd][ce][ee][af][bf][cf][nf][cg][qj][sj][pk][rk][sk][ql][sl][rm][qn][sn][ro][nq][oq][nr]
CR[ca][da][cb][db][eb][dc][ec][fc][dd][ed][pg][kq]
SQ[ce][de][af][bf][cf][cg]
LB[md:d][fe:a][if:w][jf:w][dg:b][hg:w][gh:w][fm:s][nm:b][gn:s][ho:s][ko:f][kp:c][cq:a][lr:e]

;W[ek]C[W1]MN[1]
;B[df]C[B2]MN[2]
;W[eg]C[W3]MN[3]
;B[ef]C[B4]MN[4]
;W[ff]C[W5]MN[5]

;CR[ca][da][cb][db][eb][dc][ec][fc][dd][ed][pg][kq]
SQ[ce][de][af][bf][cf][cg]
LB[md:d][fe:a][if:w][jf:w][dg:b][hg:w][gh:w][fm:s][nm:b][gn:s][ho:s][ko:f][kp:c][cq:a][lr:e]
)
