(;GM[1]FF[4]SZ[19]
GN[White plays 'a', Black 'd']
PC[http://senseis.xmp.net/?UnderTheStonesExample1]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?UnderTheStonesExample1

White plays 'a', Black 'd']
PL[W]

AB[ah][bh][bi][aj][bj][cj][ck][bl][am]
AW[bf][bg][cg][ch][ci][ei][dj][dk][cl][dl][cm][an][bn][cn]

;W[ak]C[W1]MN[1]
;B[bm]C[B2]MN[2]
;W[bk]C[W3]MN[3]
;B[al]C[B4]MN[4]

;
)
