(;GM[1]FF[4]SZ[19]
GN[White is stubborn.]
PC[http://senseis.xmp.net/?B2Bomber]AP[GoWiki:2009]
DT[2013-09-10]
C[Diagram from http://senseis.xmp.net/?B2Bomber

White is stubborn.]
PL[B]

AB[bc][cc][dc][fc][qc][bd][pd][cf][pf][qg][qi][ri][ok][cl][pl][pm][cn][bo][oo][np][qp][cq][nq][oq][qq][rq][cr][pr]
AW[pb][kc][nc][cd][dd][ed][be][ce][ch][ni][pi][pj][rj][pk][qk][dm][qm][dn][qn][po][dp][op][pp][rp][dq][iq][pq][qr]

;B[nr]C[B1]MN[1]
;W[ps]C[W2]MN[2]
;B[or]C[B3]MN[3]
;W[on]C[W4]MN[4]

;
)
