Sevens Wild video poker is very similar to the popular Deuces Wild.
The sevens act as wild cards and are used to complete winning combinations.
However, the payback from a Sevens Wild is less because the 7 is
a more valuable card than a 2. This is because it naturally appears
in more straights than a 2.
A 2 will only make 2 5 card straight hands:
A, 2, 3, 4 5
2, 3, 4, 5, 6
A 7 forms 5 straights:
3, 4, 5, 6, 7
4, 5, 6, 7, 8
5, 6, 7, 8, 9
6, 7, 8, 9, T
7, 8, 9, T, J
Therefore the wildcard value is less but the payouts for both game
variations are generally the same.
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