diff --git a/day17.py b/day17.py
new file mode 100644
index 0000000..24d54dd
--- /dev/null
+++ b/day17.py
@@ -0,0 +1,222 @@
+#rock grid
+class Chamber():
+    def __init__(self):
+        self.grid =  [['#', '#', '#', '#', '#', '#', '#']]
+    
+    def addEmpty(self, x):
+        for i in range(x):
+            self.grid.append(['.', '.', '.', '.', '.', '.', '.'])
+
+    def removeEmpty(self):
+        self.grid = [i for i in self.grid if i != ['.']*7]
+
+    def topEdge(self):
+        return len(self.grid)
+
+    def addRock(self, rock):
+        for add in rock:
+            y, x = add
+            self.grid[y][x] = '#'
+
+    def testPrint(self):
+        for gridLine in reversed(self.grid):
+            line = ''
+            for point in gridLine:
+                line += point
+            print(line)
+
+
+#Defining Rock Shapes
+def line():
+    relativeX = 0
+    relativeY = 0
+    settled = False
+    chamber.addEmpty(3)
+    NY = chamber.topEdge()
+    NX = 2
+    chamber.addEmpty(1)
+    while not settled:
+        if jetstream[jetPosition] == '<':
+            if NX != 0 and chamber.grid[NY][NX - 1] == '.':
+                NX -= 1
+                relativeX -= 1
+        else:
+            if NX != 3 and chamber.grid[NY][NX + 4] == '.':
+                NX += 1
+                relativeX += 1
+        jet()
+        if chamber.grid[NY - 1][NX:NX+4] == ['.', '.', '.', '.',]:
+            NY -= 1
+            relativeY -= 1
+        else:
+            settled = True
+            rock = [(NY, NX), (NY, NX + 1), (NY, NX + 2), (NY, NX + 3)]
+            chamber.addRock(rock)
+            rockSequence.append(((relativeY, relativeX), 1, chamber.topEdge() - 1))
+    chamber.removeEmpty()
+
+def cross():
+    relativeX = 0
+    relativeY = 0
+    settled = False
+    chamber.addEmpty(3)
+    NY = chamber.topEdge()
+    NX = 3
+    chamber.addEmpty(3)
+    while not settled:
+        if jetstream[jetPosition] == '<':
+            if NX != 1 and all(x == '.' for x in (chamber.grid[NY][NX - 1], chamber.grid[NY + 1][NX - 2], chamber.grid[NY + 2][NX - 1])):
+                NX -= 1
+                relativeX -= 1
+        else:
+            if NX != 5 and all(x == '.' for x in (chamber.grid[NY][NX + 1], chamber.grid[NY + 1][NX + 2], chamber.grid[NY + 2][NX + 1])):
+                NX += 1
+                relativeX += 1
+        jet()
+        if all(x == '.' for x in (chamber.grid[NY - 1][NX], chamber.grid[NY][NX - 1], chamber.grid[NY][NX + 1])):
+            NY -= 1
+            relativeY -= 1
+        else:
+            settled = True
+            rock = [(NY, NX), (NY + 1, NX - 1), (NY + 1, NX), (NY + 1, NX + 1), (NY + 2, NX)]
+            chamber.addRock(rock)
+            rockSequence.append(((relativeY, relativeX), 2, chamber.topEdge() - 1))
+    chamber.removeEmpty()
+
+def l():
+    relativeX = 0
+    relativeY = 0
+    settled = False
+    chamber.addEmpty(3)
+    NY = chamber.topEdge()
+    NX = 2
+    chamber.addEmpty(3)
+    while not settled:
+        if jetstream[jetPosition] == '<':
+            if NX != 0 and all(x == '.' for x in (chamber.grid[NY][NX - 1], chamber.grid[NY + 1][NX + 1], chamber.grid[NY + 2][NX + 1])):
+                NX -= 1
+                relativeX -= 1
+        else:
+            if NX != 4 and all(x == '.' for x in (chamber.grid[NY][NX + 3], chamber.grid[NY + 1][NX + 3], chamber.grid[NY + 2][NX + 3])):
+                NX += 1
+                relativeX += 1
+        jet()
+        if chamber.grid[NY - 1][NX:NX+3] == ['.', '.', '.']:
+            NY -= 1
+            relativeY -= 1
+        else:
+            settled = True
+            rock = [(NY, NX), (NY, NX + 1), (NY, NX + 2), (NY + 1, NX + 2), (NY + 2, NX + 2)]
+            chamber.addRock(rock)
+            rockSequence.append(((relativeY, relativeX), 3, chamber.topEdge() - 1))
+    chamber.removeEmpty()
+
+def staff():
+    relativeX = 0
+    relativeY = 0
+    settled = False
+    chamber.addEmpty(3)
+    NY = chamber.topEdge()
+    NX = 2
+    chamber.addEmpty(4)
+    while not settled:
+        if jetstream[jetPosition] == '<':
+            if NX != 0 and all(x == '.' for x in (chamber.grid[NY][NX - 1], chamber.grid[NY + 1][NX - 1], chamber.grid[NY + 2][NX - 1], chamber.grid[NY + 3][NX - 1])):
+                NX -= 1
+                relativeX -= 1
+        else:
+            if NX != 6 and all(x == '.' for x in (chamber.grid[NY][NX + 1], chamber.grid[NY + 1][NX + 1], chamber.grid[NY + 2][NX + 1], chamber.grid[NY + 3][NX + 1])):
+                NX += 1
+                relativeX += 1
+        jet()
+        if chamber.grid[NY -1][NX] == '.':
+            NY -= 1
+            relativeY -= 1
+        else:
+            settled = True
+            rock = [(NY, NX), (NY + 1, NX), (NY + 2, NX), (NY + 3, NX)]
+            chamber.addRock(rock)
+            rockSequence.append(((relativeY, relativeX), 4, chamber.topEdge() - 1))
+    chamber.removeEmpty()
+
+def square():
+    relativeX = 0
+    relativeY = 0
+    settled = False
+    chamber.addEmpty(3)
+    NY = chamber.topEdge()
+    NX = 2
+    chamber.addEmpty(2)
+    while not settled:
+        if jetstream[jetPosition] == '<':
+            if NX != 0 and (chamber.grid[NY][NX -1] == '.' and chamber.grid[NY + 1][NX -1] == '.'):
+                NX -= 1
+                relativeX -= 1
+        else:
+            if NX != 5 and (chamber.grid[NY][NX + 2] == '.' and chamber.grid[NY + 1][NX + 2] == '.'):
+                NX += 1
+                relativeX += 1
+        jet()
+        if chamber.grid[NY - 1][NX] == '.' and chamber.grid[NY - 1][NX + 1] == '.':
+            NY -= 1
+            relativeY -= 1
+        else:
+            settled = True
+            rock = [(NY, NX), (NY + 1, NX), (NY + 1, NX + 1), (NY, NX + 1)]
+            chamber.addRock(rock)
+            rockSequence.append(((relativeY, relativeX), 5, chamber.topEdge() - 1))
+    chamber.removeEmpty()
+
+
+#miscelanious
+def jet():
+    global jetPosition
+    jetPosition += 1
+    if jetPosition == jetWrap:
+        jetPosition = 0
+
+
+def _counter():
+    global counter
+    counter += 1
+    if counter == end:
+        return True
+    return False
+
+
+def findCycle()
+
+#Building Input, defioning variables
+with open('input17.txt','r') as f:
+    inp = f.read().splitlines(keepends=False)
+
+jetstream = list(inp[0])
+jetWrap = len(jetstream)
+chamber = Chamber()
+jetPosition = 0
+counter = 0
+end = 1000000000000
+rockSequence = []
+
+
+# Main function
+while True:
+    line()
+    if _counter():
+        break
+    cross()
+    if _counter():
+        break
+    l()
+    if _counter():
+        break
+    staff()
+    if _counter():
+        break
+    square()
+    if _counter():
+        break
+    if counter % 10000 == 0:
+        print(counter, 'of', end)
+
+print(chamber.topEdge() - 1)
\ No newline at end of file
diff --git a/in.txt b/in.txt
index 85fa5b0..fb5d89e 100644
--- a/in.txt
+++ b/in.txt
@@ -1,10 +1 @@
-Valve AA has flow rate=0; tunnels lead to valves DD, II, BB
-Valve BB has flow rate=13; tunnels lead to valves CC, AA
-Valve CC has flow rate=2; tunnels lead to valves DD, BB
-Valve DD has flow rate=20; tunnels lead to valves CC, AA, EE
-Valve EE has flow rate=3; tunnels lead to valves FF, DD
-Valve FF has flow rate=0; tunnels lead to valves EE, GG
-Valve GG has flow rate=0; tunnels lead to valves FF, HH
-Valve HH has flow rate=22; tunnel leads to valve GG
-Valve II has flow rate=0; tunnels lead to valves AA, JJ
-Valve JJ has flow rate=21; tunnel leads to valve II
\ No newline at end of file
+>>><<><>><<<>><>>><<<>>><<<><<<>><>><<>>
\ No newline at end of file
diff --git a/input17.txt b/input17.txt
new file mode 100644
index 0000000..672f747
--- /dev/null
+++ b/input17.txt
@@ -0,0 +1 @@
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