(;GM[1]FF[4]SZ[19]
GN[This may look differently at first sight but in fact is a J-Group...]
PC[http://senseis.xmp.net/?LeatherScrollProblem80/Solution]AP[GoWiki:2009]
DT[2010-10-26]
C[Diagram from http://senseis.xmp.net/?LeatherScrollProblem80/Solution

This may look differently at first sight but in fact is a J-Group...]
PL[W]

AB[bn][bo][ap][cp][cq][cr]
AW[bm][cm][an][cn][co][dp][dq][dr]

;W[cs]C[W1]MN[1]
;B[bs]C[B2]MN[2]
;W[ar]C[W3]MN[3]
;B[br]C[B4]MN[4]
;W[am]C[W5]MN[5]
;B[aq]C[B6]MN[6]
;W[bp]C[W7]MN[7]

;
)
