(;GM[1]FF[4]SZ[19]
GN[The end result]
PC[http://senseis.xmp.net/?SnapbackProblem41/Solution]AP[GoWiki:2009]
DT[2009-06-19]
C[Diagram from http://senseis.xmp.net/?SnapbackProblem41/Solution

The end result]
PL[B]

AB[en][fn][do][go][dp][ep][fp][cq][dq][gq][br][gr][bs][fs][gs]
AW[em][fm][cn][dn][hn][co][ho][cp][gp][hp][bq][fq][hq][ar][cr][dr][fr][hr][cs][es]
LB[eq:a]

;B[er]C[B1]MN[1]

;LB[eq:a]
)
