Ok so permuations
slot method basically
first slot is 65 options
2nd slot is 64 options
3rd slot is 63
...
65th slot is 1 option
basically the answer is 65! or 65 factorial which is about 8,247,650,592,082,470,666,723,170,306,785,496,252,186,258,551,345,437,492,922,123,134,388,955,774,976,000,000,000,000,000 or about 8<span> trigintillion</span> or in scientific notiotion,