(;GM[1]FF[4]SZ[19]
GN[First L+1 group, hane on both sides]
PC[https://senseis.xmp.net/?L1Group]AP[GoWiki:2009]
DT[2020-08-30]
C[Diagram from https://senseis.xmp.net/?L1Group

First L+1 group, hane on both sides]
PL[W]

AB[ea][cb][db][cc][bd][cd][ae]
AW[eb][fb][dc][dd][be][ce][ee][bg]
CR[ea][ae]
LB[ba:d][da:b][ab:a][bb:e][ac:f][ad:g][af:c]


;CR[ea][ae]
LB[ba:d][da:b][ab:a][bb:e][ac:f][ad:g][af:c]
)
