>surface
type=block,ID=lucky:lucky_block_opposite@chance=600

/lucky acropolis
group(type=structure,ID=generation_opposite;type=block,ID=lucky:lucky_block_opposite,posy=#bPosY+1,tileEntity=(Luck=75))@chance=300

>nether
type=block,ID=lucky:lucky_block_opposite@chance=35

>end
type=block,ID=lucky:lucky_block_opposite@chance=25

