(;GM[1]FF[4]SZ[19]
GN[Double hane]
PC[http://senseis.xmp.net/?LowInvasionOfMixedThreeSpaceExtension]AP[GoWiki:2009]
DT[2014-04-24]
C[Diagram from http://senseis.xmp.net/?LowInvasionOfMixedThreeSpaceExtension

Double hane]
PL[B]

AB[ip][jp][kp][gq][lq]
AW[iq][jq][kq][lr]
CR[hq]
LB[kr:a]

;B[mr]C[B1]MN[1]
;W[mq]C[W2]MN[2]
;B[lp]C[B3]MN[3]
;W[nr]C[W4]MN[4]

;CR[hq]
LB[kr:a]
)
