(;GM[1]FF[4]SZ[19]
GN[[Oiotoshi\]]
PC[http://senseis.xmp.net/?StrangeThingsHappenAtTheOneTwoPoint/Problem1Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?StrangeThingsHappenAtTheOneTwoPoint/Problem1Attempts

[Oiotoshi\]]
PL[B]

AB[ao][bo][co][cp][dp][bq][dq][dr]
AW[bn][cn][dn][eo][ap][ep][cq][eq][cr][er][ds]

;B[bs]C[B1]MN[1]
;W[br]C[W2]MN[2]
;B[ar]C[B3]MN[3]
;W[cs]C[W4]MN[4]
;B[es]C[B5]MN[5]

;
)
