(;GM[1]FF[4]SZ[19]
GN[Alternative]
PC[http://senseis.xmp.net/?BeginnerExercise147/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise147/Solution

Alternative]
PL[B]

AB[pm][qm][rm][on][qn][sn][oo][ro][op][pq][nr][or][pr]
AW[po][so][pp][qp][rp][sp][qq][qr]

;B[rr]C[B1]MN[1]
;W[sr]C[W2]MN[2]
;B[rs]C[B3]MN[3]
;W[qs]C[W4]MN[4]
;B[rq]C[B5]MN[5]

;
)
