(;GM[1]FF[4]SZ[19]
GN[Snapback]
PC[http://senseis.xmp.net/?BeginnerExercise122/Solution]AP[GoWiki:2009]
DT[2017-06-01]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise122/Solution

Snapback]
PL[W]

AB[qm][mn][nn][pn][lo][qo][ro][lp][pp][lq][pq][lr][mr][pr][rr]
AW[oo][po][mp][np][op][qp][mq][oq][rq][nr][or][qr]
CR[qr]

;B[rp]C[B2]MN[2]
;W[ps]C[W3]MN[3]

;CR[qr]
)
