(;GM[1]FF[4]SZ[19]
GN[Difference game (ii) Black first]
PC[http://senseis.xmp.net/?PlayingInfinitesimals]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?PlayingInfinitesimals

Difference game (ii) Black first]
PL[B]

AB[ah][bh][ch][dh][eh][fh][gh][kh][ai][ki][pi][aj][bj][cj][dj][ej][fj][gj][kj][ak][kk][lk][pk][qk][al][bl][cl][dl][el][fl][gl][kl]
AW[hh][lh][mh][nh][oh][ph][qh][rh][ci][gi][hi][ri][hj][lj][mj][nj][oj][pj][qj][rj][bk][ck][hk][rk][hl][ll][ml][nl][ol][pl][ql][rl]
CR[gi][lk]

;B[mk]C[B1]MN[1]
;W[fi]C[W2]MN[2]
;B[nk]C[B3]MN[3]
;W[ok]C[W4]MN[4]
;B[li]C[B5]MN[5]
;W[ei]C[W6]MN[6]
;B[di]C[B7]MN[7]
;W[gk]C[W8]MN[8]
;B[mi]C[B9]MN[9]
;W[fk]C[W10]MN[10]

;CR[gi][lk]
)
