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+name: racetrack
+aliases: [voisins, tiers, orphelins, zero, jeu zero, jeuzero, neighbors, neighbours]
+category: Interaction
+related: [roulette, casino]
+description: |
+  Racetrack bets (single-zero racetrack tables only)
+
+  The oval follows physical wheel order, not numerical order. Named
+  bets place several chips for you; the amount is the TOTAL stake.
+  For example, bet 9 on voisins places nine 1-credit chips.
+  Profit odds below are on the total stake; wins also return that stake.
+
+  voisins - Voisins du Zero: 17 pockets around zero, using 9 chips.
+    Two on trio 0/2/3, two on corner 25/26/28/29; one each on splits
+    4/7, 12/15, 18/21, 19/22 and 32/35.
+    Profit: 5:3 on 0/2/3, otherwise 1:1. Chance: 17/37.
+
+  tiers - Tiers du Cylindre: the 12 pockets opposite zero, 6 chips.
+    One each on splits 5/8, 10/11, 13/16, 23/24, 27/30 and 33/36.
+    Profit: 2:1. Chance: 12/37.
+
+  orphelins - the remaining 8 pockets, 5 chips.
+    One on 1; one each on splits 6/9, 14/17, 17/20 and 31/34.
+    Profit: 31:5 on 1 or 17 (two splits win on 17), otherwise 13:5.
+    Chance: 8/37.
+
+  zero / jeu zero - 7 pockets within Voisins, 4 chips.
+    One on 26; one each on splits 0/3, 12/15 and 32/35.
+    Profit: 8:1 on 26, otherwise 7:2. Chance: 7/37.
+    bet 10 on zero (or jeu zero / jeuzero) means Jeu Zero;
+    bet 10 on 0 means just pocket 0.
+
+  neighbors <n> - the chosen pocket plus four on either side, 9 chips.
+    One straight-number chip per pocket. Profit: 3:1. Chance: 9/37.
+
+  Fractions are rounded down after adding winning chip returns.
+  Use a stake divisible by the chip count to avoid rounding.
+  One named bet per spin; table shows a compact payout reference.