21.3.Provided that it is so indicated at the table, the player can, in addition to the initial wager governed by section 17, place an additional wager which shall win if the player’s first 3 cards are comprised of 1, 2 or 3 sevens. The additional wager must be for $1 and must be placed on the designated area of the table layout before the dealer announces “No more bets”. Winning additional wagers are paid as follows: