(;GM[1]FF[4]SZ[19]
GN[What about this defense?]
PC[http://senseis.xmp.net/?BeginnerExercise300/Attempts]AP[GoWiki:2009]
DT[2011-06-15]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise300/Attempts

What about this defense?]
PL[B]

AB[jo][lo][mo][hp][ip][mp][gq][mq][fr][gr][mr][ms]
AW[kp][lp][iq][jq][lq][hr][kr]
LB[jp:d][hq:a][lr:c][ls:b]

;B[js]C[B1]MN[1]
;W[is]C[W2]MN[2]
;B[ks]C[B3]MN[3]
;W[jr]C[W4]MN[4]

;LB[jp:d][hq:a][lr:c][ls:b]
)
