(;GM[1]FF[4]SZ[19]
GN[W1-B4 transform it into a well known problem]
PC[http://senseis.xmp.net/?LeatherScrollProblem119/Attempts]AP[GoWiki:2009]
DT[2012-12-03]
C[Diagram from http://senseis.xmp.net/?LeatherScrollProblem119/Attempts

W1-B4 transform it into a well known problem]
PL[W]

AB[cj][dj][fj][bk][ek][fk][gk][cl][fl][dm][em]
AW[cg][ch][ci][di][ei][fi][ej][gj][hk][gl][fm][hm][cn][dn][en][co][cp]

;W[dk]C[W1]MN[1]
;B[el]C[B2]MN[2]
;W[cm]C[W3]MN[3]
;B[dl]C[B4]MN[4]

;
)
