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

A simplification]
PL[B]

AB[cc][cd][jd][nd][od][pd][qd][rd][ce][cf][cg][ch][pp]
AW[dc][nc][oc][pc][qc][rc][dd][de][df][dg][dh][di][dp]
LB[kc:e][kh:a][lh:d][ki:b][li:c][jl:h][ll:g]

;B[md]C[B1]MN[1]
;W[jp]C[W2]MN[2]
;B[pj]C[B3]MN[3]

;LB[kc:e][kh:a][lh:d][ki:b][li:c][jl:h][ll:g]
)
