(;GM[1]FF[4]SZ[19]
GN[Volume 3, __Intermediate__, Problems 1-4]
PC[http://senseis.xmp.net/?WeiqiStepByStepTraining1000ProblemsSeries]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?WeiqiStepByStepTraining1000ProblemsSeries

Volume 3, __Intermediate__, Problems 1-4]
PL[B]

AB[bb][cb][db][mb][qb][ec][lc][nc][qc][fd][nd][fe][oe][pe][qe][re][ff][dg][eg][di][ei][aj][bj][cj][pj][qj][rj][sj][pk][ol][pl][om][rm][fo][oo][bp][cp][dp][ep][gp][ip][jp][op][pp][cq][gq][jq][pq][rq][ar][br][jr][pr][qr][rr][sr]
AW[nb][oc][pc][rc][bd][dd][pd][qd][bf][df][cg][ah][ch][qk][rk][sk][ql][pm][qm][qn][po][qp][rp][bq][dq][eq][fq][iq][qq][sq][cr][gr][bs][es]


;
)
