(;GM[1]FF[4]SZ[21]
GN[4th Diagram]
PC[https://senseis.xmp.net/?TwoSquareGameAnalysis]AP[GoWiki:2009]
DT[2021-02-17]
C[Diagram from https://senseis.xmp.net/?TwoSquareGameAnalysis

4th Diagram]
PL[W]

AB[ed][eg][sn][ro][to][sp][dq][rq][rr]
AW[qe][qp][rp][qq][sq][qr][sr]
SQ[pd][dp][gr][hr]
MA[rf][er]
LN[co:cq][cq:eq][eq:eo][eo:co][dq:ds][ds:fs][fs:fq][fq:dq][fq:iq][iq:is][is:fs][fs:fq][oc:oe][oe:qe][qe:qc][qc:oc][qe:qg][qg:sg][sg:se][se:qe]

;W[fr]C[W18]MN[18]
;B[rg]C[B19]MN[19]
;W[od]C[W20]MN[20]
;B[eo]C[B21]MN[21]
;W[ir]C[W22]MN[22]

;SQ[pd][dp][gr][hr]
MA[rf][er]
LN[co:cq][cq:eq][eq:eo][eo:co][dq:ds][ds:fs][fs:fq][fq:dq][fq:iq][iq:is][is:fs][fs:fq][oc:oe][oe:qe][qe:qc][qc:oc][qe:qg][qg:sg][sg:se][se:qe]
)
