(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[http://senseis.xmp.net/?BeginnerExercise129/Solution]AP[GoWiki:2009]
DT[2009-10-06]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise129/Solution

Variation]
PL[B]

AB[oo][po][qo][ro][op][oq][or][pr][ps][rs]
AW[so][pp][qp][rp][pq][rq][qr]
LB[rr:a][qs:b]

;B[sp]C[B1]MN[1]
;W[sq]C[W2]MN[2]
;B[rn]C[B3]MN[3]

;LB[rr:a][qs:b]
)
