(;GM[1]FF[4]SZ[19]
GN[oops]
PC[http://senseis.xmp.net/?BeginnerExercise307/Solution]AP[GoWiki:2009]
DT[2010-07-20]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise307/Solution

oops]
PL[B]

AB[gb][ec][fc][gc][hc][lc][cd][dd][hd][jd][kd][ld][be][ce][ge][he][le][me][af][bf][cf][df][gf][kf][mf][eg][fg][jg][mg][fh][bi][di][hi][ji][aj][cj][ej][ij][jj][kj][bk][dk][ek][gk][kk][dl][hl][ll]
AW[ga][ha][eb][fb][ib][lb][mb][bc][cc][dc][jc][kc][mc][ad][bd][ed][gd][md][ae][de][ee][je][ne][oe][ff][hf][if][bg][gg][kg][ng][og][ch][dh][eh][gh][ih][jh][lh][mh][ci][fi][ii][ki][mi][ni][lj][mj][lk]
CR[ad]

;B[ei]C[B1]MN[1]
;W[ef]C[W2]MN[2]
;B[dg]C[B3]MN[3]
;W[cg]C[W4]MN[4]

;CR[ad]
)
