(;GM[1]FF[4]SZ[19]
GN[Another attempt]
PC[http://senseis.xmp.net/?XuanxuanQijingProblem255/Attempts]AP[GoWiki:2009]
DT[2013-04-01]
C[Diagram from http://senseis.xmp.net/?XuanxuanQijingProblem255/Attempts

Another attempt]
PL[B]

AB[qh][ri][oj][pj][qj][ok][ol][rl][om][rm][on][rn][lo][mo][no][oo][lp][op][rp][lq][lr][pr][qr][rr][ms]
AW[rj][pk][qk][rk][pl][pm][pn][po][so][mp][np][pp][mq][oq][pq][rq][mr][nr][or]

;B[sp]C[B1]MN[1]
;W[ro]C[W2]MN[2]
;B[qo]C[B3]MN[3]
;W[sq]C[W4]MN[4]

;
)
