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

How professionals play]
PL[B]

AB[db][eb][dc][cd][ed][fd][gd][ce][cf][bg][dg][eg][bh]
AW[bc][cc][ec][fc][dd][de][ee][fe][ge][df][cg][ch][ci]
LB[gc:a][he:b]

;B[bi]C[B1]MN[1]
;W[bd]C[W2]MN[2]
;B[ae]C[B3]MN[3]
;W[cj]C[W4]MN[4]

;LB[gc:a][he:b]
)
