Hello, every blindfolded cuber. I am here to offer you crazy idea. Why not to shoot 6M algs for 2 years? 3; 5; 7-cycles for Rubik's cube.
Let me explain detailed calculations for 3; 5; 7 cycles:
3 - letters to permutate - every letter linked to 21 others, getting 21 algs, 21 set = 21×21 = 441...