(;GM[1]FF[4]SZ[19]
GN[After W4 in the previous diagram]
PC[https://senseis.xmp.net/?BeginnerExercise251/Solution]AP[GoWiki:2009]
DT[2022-11-09]
C[Diagram from https://senseis.xmp.net/?BeginnerExercise251/Solution

After W4 in the previous diagram]
PL[B]

AB[na][nb][oc][ld][md][nd][od][pd][qd][rd][le]
AW[lb][mb][ob][pb][qb][rb][rc][sc][me][ne][oe][pe]
CR[sc]
LB[oa:a][sa:b]

;W[qa]C[W4]MN[4]

;CR[sc]
LB[oa:a][sa:b]
)
