(;GM[1]FF[4]SZ[19]
GN[Exchange]
PC[http://senseis.xmp.net/?AvalancheDescent]AP[GoWiki:2009]
DT[2016-02-24]
C[Diagram from http://senseis.xmp.net/?AvalancheDescent

Exchange]
PL[W]

AB[db][fb][dc][fc][cd][fd][ce][cf]
AW[ea][eb][ec][dd][de][df][dg]

;W[cg]C[W1]MN[1]
;B[ed]C[B2]MN[2]
;W[cc]C[W3]MN[3]
;B[cb]C[B4]MN[4]
;W[bc]C[W5]MN[5]
;B[bb]C[B6]MN[6]
;W[bd]C[W7]MN[7]

;
)
