(;GM[1]FF[4]SZ[19]
GN[However...]
PC[http://senseis.xmp.net/?DoubleThreat/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleThreat/Solution

However...]
PL[B]

AB[oc][kd][ld][nd][od][pd][qd][me][ne][cf][dg][lg][dh][di][qi][ri][dj][lj][mj][nj][oj][pj][qj][ck][jk][kk][cl][el][ll][lm][mm][qm][rm][bn][mn][sn][bo][co][eo][fo][ho][qo][ro][cp][dp][fp][np][pp][bq][dq][gq][hq]
AW[mb][ob][fc][mc][nc][pc][qc][dd][md][ce][qf][cg][ch][kh][lh][mh][oh][qh][ci][cj][jj][kj][rj][bk][lk][mk][ok][rk][bl][kl][ml][pl][rl][bm][nm][pm][cn][dn][en][pn][qn][rn][gp][cq][fq][br][cr][dr][er][gr][fs]

;B[pk]C[B1]MN[1]
;W[ql]C[W2]MN[2]
;B[nl]C[B3]MN[3]
;W[sm]C[W4]MN[4]

;
)
