(;GM[1]FF[4]SZ[19]
GN[]
PC[https://senseis.xmp.net/?GroupSafetyLevel]AP[GoWiki:2009]
DT[2023-02-22]
C[Diagram from https://senseis.xmp.net/?GroupSafetyLevel

]
PL[B]

AB[pd][ce][de][qh][qn][pp][eq][hq][mq]
AW[dc][cd][fd][hd][qf][ch][dk][do][cp]
CR[ce][de][qf]


;CR[ce][de][qf]
)
