(;GM[1]FF[4]SZ[19]
GN[Snapback]
PC[http://senseis.xmp.net/?SnapbackProblem31/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?SnapbackProblem31/Solution

Snapback]
PL[W]

AB[ni][nj][oj][sl][pm][rm][sm][mn][on][qn][no][qo][ro][op][pp]
AW[ki][mi][oi][qi][mj][rj][kk][sk][ql][rl][qm][lo][mo][so][qp][rp][mq][oq][pq][rq][qr]
CR[sl][rm][sm][sn][sp]

;W[rn]C[W1]MN[1]

;CR[sl][rm][sm][sn][sp]
)
