How to change the position of chunks

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#1

I have a chunk gen script that generates basic parts.However, I need to align the chunks to the side of currently existing chunks.How should i do this?

local Range = 5

local Offset_x = math.random(-100, 100)
local Offset_y = math.random(-100, 100)



local function createPart(x,y,alpha)
	local Part = Instance.new("Part")
	Part.TopSurface = Enum.SurfaceType.Smooth
	Part.Size = Vector3.one
	Part.Position = Vector3.new(x, alpha * Range, y)
	Part.Parent = workspace
	Part.Anchored = true
	Part.BrickColor = BrickColor.new("Dark green")
end


local function createchunk()
	local rows = 50
	local cols = 50
	for x = 1, cols do
		for y = 1, rows do
			local noise = math.noise(x/rows + Offset_x, y/cols + Offset_y, 0)
			createPart(x, y, noise)
		end
	end
end

createchunk()