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

Preparation]
PL[W]

AB[ic][cd]
AW[ec][pd]
LB[kc:a][lc:b]

;W[ef]C[W1]MN[1]
;B[cg]C[B2]MN[2]
;W[mc]C[W3]MN[3]

;LB[kc:a][lc:b]
)
