(;GM[1]FF[4]SZ[19]
GN[First pattern: breakthrough to the center]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem84/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem84/Attempts

First pattern: breakthrough to the center]
PL[W]

AB[km][en][in][do][go][ko][cp][ip][dq][jq][dr][gr][ir][kr][es][ks]
AW[fp][gp][hp][eq][hq][er][hr][jr][fs][hs][js]

;W[is]C[W1]MN[1]
;B[iq]C[B2]MN[2]
;W[kq]C[W3]MN[3]
;B[lq]C[B4]MN[4]
;W[io]C[W5]MN[5]
;B[kp]C[B6]MN[6]
;W[hn]C[W7]MN[7]

;
)
