(;GM[1]FF[4]SZ[19]
GN['Bumping']
PC[https://senseis.xmp.net/?SixGoodAndSixBadShapes]AP[GoWiki:2009]
DT[2023-10-13]
C[Diagram from https://senseis.xmp.net/?SixGoodAndSixBadShapes

'Bumping']
PL[B]

AB[ij]
AW[kj]
CR[kj]
LB[ki:a][lj:b][kk:c]

;B[jj]C[B1]MN[1]

;CR[kj]
LB[ki:a][lj:b][kk:c]
)
