mixing concrete formula

CMU – concrete block (brick wall) Formula?
Say you have your own brick machine, brick making 16×8x8 (cm) generally used in brick walls, etc – What is the formula or mix to use? Only a general guide, if you will, and if variations (for lighter, heavier, stronger bricks) please provide! Thank you!
Here the mix of light that CMU has been patented. Hope this helps.
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