(;GM[1]FF[4]SZ[19]
GN[enclose B1]
PC[https://senseis.xmp.net/?BQM517/Attempts]AP[GoWiki:2009]
DT[2021-07-24]
C[Diagram from https://senseis.xmp.net/?BQM517/Attempts

enclose B1]
PL[B]

AB[eb][jb][ec][jc][dd][id][ge][ef][bg][cg][dg][gg]
AW[ea][db][fb][ib][fc][hc][fd][bh][ch][eh]

;B[cc]C[B1]MN[1]
;W[ha]C[W2]MN[2]
;B[fa]C[B3]MN[3]
;W[ga]C[W4]MN[4]

;
)
