(;GM[1]FF[4]SZ[19]
GN[Why the invasion is not so good]
PC[http://senseis.xmp.net/?BQM213]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM213

Why the invasion is not so good]
PL[B]

AB[oc][qd][qj][bl][bm][pn][co][cp][pp][cq][cr]
AW[dd][bj][dj][cm][dn][do][dp][dq][jq][nq][dr]
SQ[jq]
LB[jo:a][mo:c][iq:b][qq:z]

;B[lq]C[B1]MN[1]
;W[mp]C[W2]MN[2]
;B[lp]C[B3]MN[3]
;W[lo]C[W4]MN[4]
;B[nr]C[B5]MN[5]
;W[or]C[W6]MN[6]
;B[mr]C[B7]MN[7]
;W[oq]C[W8]MN[8]
;B[jp]C[B9]MN[9]
;W[ip]C[W10]MN[10]

;SQ[jq]
LB[jo:a][mo:c][iq:b][qq:z]
)
