(;GM[1]FF[4]SZ[19]
GN[Moves 171 to 180]
PC[http://senseis.xmp.net/?ThaddeusOlczyk/GamesChasingGroups]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThaddeusOlczyk/GamesChasingGroups

Moves 171 to 180]
PL[B]

AB[eb][gb][ib][fc][ic][jc][oc][rc][bd][cd][kd][pd][rd][be][oe][pe][qe][cf][df][nf][pf][bg][cg][og][bh][dh][eh][fh][gh][ih][ci][gi][hi][ji][bj][jj][mj][gk][hk][jk][kk][nk][fl][hl][il][kl][ll][ml][bm][hm][qm][bn][cn][mn][rn][bo][ho][io][jo][ko][lo][no][qo][gp][hp][kp][mp][pp][cq][iq][kq][lq][pq][dr][gr][hr][ir][pr]
AW[ka][jb][lb][bc][cc][dc][kc][lc][qc][dd][ed][ld][ce][de][fe][re][bf][ef][gf][jf][qf][rf][eg][fg][hg][pg][hh][oh][ph][di][fi][ii][mi][cj][ej][gj][hj][ij][lj][ck][ek][fk][lk][mk][pk][gl][nl][ol][rl][cm][gm][im][jm][rm][dn][fn][hn][in][on][co][go][oo][po][cp][dp][fp][ip][jp][op][qp][eq][gq][jq][mq][nq][oq][fr][jr][kr][lr]

;B[bp]C[B1]MN[1]
;W[ro]C[W2]MN[2]
;B[qn]C[B3]MN[3]
;W[rp]C[W4]MN[4]
;B[qq]C[B5]MN[5]
;W[sn]C[W6]MN[6]
;B[so]C[B7]MN[7]
;W[sm]C[W8]MN[8]
;B[rq]C[B9]MN[9]
;W[sp]C[W10]MN[10]

;
)
