Investment Guide - 4D [万字投资指南]
4D has a total or 10,000 numbers. Out of the 10,000 numbers, there are:
1. 210 groups of numbers with 24 permutation (e.g. 1234). Total 5040
2. 360 groups of numbers with 12 permutation (e.g. 1233). Total 4320
3. 45 groups of numbers with 6 permutation (e.g. 1122). Total 270
4. 90 groups of numbers with 4 permutation (e.g. 1222). Total 360
5. 10 groups of numbers with 1 permutation (e.g. 1111). Total 10
