HORSES DIRECTION : "bb" back , "ll" left, "rr" right, "ff" front,"fr" front-right,"fl" front-left,"br" back-right,"bl" back-left,

---

GATE DIRECTION : "tbb" truck-back "tll", "trr", "tff","tfr","tfl","tbr","tbl",
GENERAL OBJ: TRUCKGATE = "gg" // OTHER-CARS-following inner-tracklane "PP" // Workers = "ss"