diff --git a/main.py b/main.py
index 6c2d58b..785dabf 100644
--- a/main.py
+++ b/main.py
@@ -13,10 +13,12 @@ class GridSquare:
         self.typ = typ
         self.occupant = occupant
     def __str__(self):
-        return "(%s|%s)" % (str(typ), str(occupant))
+        return "(%s|%s)" % (str(self.typ), str(self.occupant))
+    def __repr__(self):
+        return str(self)
 
-def makeGrid():
-    return [[GridSquare(SquareType.AISLE, 0) for x in range(0,width)] for y in range(0,height)]
+def makeGrid(height, width):
+    return [[GridSquare(SquareType.AISLE, None) for x in range(0,width)] for y in range(0,height)]
 
 class Passenger:
     #dest and curr are both 2-tuples
@@ -30,11 +32,19 @@ def manhattanDistance(pos1, pos2):
     return abs(pos1[0] - pos2[0]) + abs(pos1[1] - pos2[1])
 
 def mooreNeighbourhood(pos):
-    
+    return [(pos[0], pos[1]+1), (pos[0]+1, pos[1]), (pos[0]-1, pos[1]), (pos[0], pos[1]-1)]
 
 def nextSquare(passenger, grid):
     #simple behaviour for now
-    for i in 
+    candidati = []
+    for i in mooreNeighbourhood(passenger.curr):
+        if manhattanDistance(passenger.dest, i) < manhattanDistance(passenger.dest, passenger.curr):
+            candidati.append(i)
+    for i in candidati:
+        if grid[i[0]][i[1]].typ == SquareType.AISLE: #this should work well enough for one aisle plane
+            return i
+    #todo: implement shufflin'
+    return candidati[0]
 
 def GenPassList():
     return []
@@ -42,7 +52,30 @@ def GenPassList():
 grid=makeGrid()
 
 passengers = GenPassList()
+for index, i in enumerate(passengers):
+    grid[i.curr[0]][i.curr[1]] = index
 
 def tick():
     # print grid
-    print(grid)
\ No newline at end of file
+    print(grid)
+    for row in grid:
+        for guy in row:
+            if guy.occupant is not None:
+                print("X", end="")
+            elif guy.typ == SquareType.SEAT:
+                print("_", end="")
+            else:
+                print(" ", end="")
+        print()
+    for (i, man) in enumerate(passengers):
+        #im sexist
+        cp = man.curr
+        man.curr = nextSquare(man, grid)
+        grid[cp[0]][cp[1]] = None #they move out of there
+        grid[man.curr[0]][man.curr[1]] = i
+
+def run():
+    while 1:
+        tick()
+
+run()