diff --git a/.github/workflows/piet.yaml b/.github/workflows/piet.yaml
index 821da5d..136f967 100644
--- a/.github/workflows/piet.yaml
+++ b/.github/workflows/piet.yaml
@@ -1,6 +1,6 @@
 # This workflow will run stuff on the piet version of tictactoe.
 
-name: tpiet
+name: piet
 
 on:
   push:
@@ -13,29 +13,14 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: main/tictactoe_piet
+        working-directory: ./tictactoe_piet
     steps:
-    - name: Checkout turnstyle
-      uses: actions/checkout@v4
-      with:
-        repository: JanEricNitschke/turnstyle
-        path: turnstyle
-    - name: Setup haskell
-      uses: haskell-actions/setup@v2
-      with:
-        ghc-version: '9.10.1'
     - name: Checkout repo
       uses: actions/checkout@v4
-      with:
-        path: main
-    - name: Install turnstyle
-      run: cabal install --user
-      working-directory: turnstyle
-    - name: Build
-      run: turnstyle compile -o CI.png tictactoe.txt
+    - name: Install dependencies
+      run: |
+        cargo install rpiet
     - name: Run
       run: |
-        turnstyle run tictactoe.png < input1.txt
-        turnstyle run tictactoe_opt.png < input1.txt
-        turnstyle run tictactoe.png < input2.txt
-        turnstyle run tictactoe_opt.png < input2.txt
+        rpiet tictactoe.png < input1.txt
+        rpiet tictactoe.png < input2.txt
diff --git a/README.md b/README.md
index d9dbeb5..3eed628 100644
--- a/README.md
+++ b/README.md
@@ -481,9 +481,13 @@ tclsh tictactoe.tcl
 
 Version using [Piet](https://www.dangermouse.net/esoteric/piet.html).
 
+Developed using [MasterPiets](https://gabriellesc.github.io/piet/index.html) and [Pietron](https://github.com/dnek/pietron).
+
+Logic of the individual components is defined in [PietLogic.txt](tictactoe_piet/PietLogic.txt).
+
 Run with:
 ```
-npiet tictactoe.png
+rpiet tictactoe.png
 ```
 
 ## TicTacToe-scratch
diff --git a/_typos.toml b/_typos.toml
index 15fd62b..2058ccf 100644
--- a/_typos.toml
+++ b/_typos.toml
@@ -3,6 +3,9 @@
 ba = "ba"
 # Clojure settings.
 edn = "edn"
+# From piet version
+Inpu = "Inpu"
+fo = "fo"
 
 
 [default]
diff --git a/tictactoe_piet/.gitignore b/tictactoe_piet/.gitignore
new file mode 100644
index 0000000..c66796c
--- /dev/null
+++ b/tictactoe_piet/.gitignore
@@ -0,0 +1 @@
+aux_mat/
diff --git a/tictactoe_piet/PietLogic.txt b/tictactoe_piet/PietLogic.txt
index 9509df7..cfffdeb 100644
--- a/tictactoe_piet/PietLogic.txt
+++ b/tictactoe_piet/PietLogic.txt
@@ -1,6 +1,6 @@
 Default Stack: [P,0,1,2,3,4,5,6,7,8]
 
-SetNth [N,P,0,1,2,3,4,5,6,7,8]: (N = 0 based indexing)
+SetNth [N,P,0,1,2,3,4,5,6,7,8]: (N = 0 based indexing) DONE!
 PUSH 2 -> [2,N,X,0,1,2,3,4,5,6,7,8]
 ADD    -> [N+2,X,0,1,2,3,4,5,6,7,8]
 DUP    -> [N+2,N+2,X,0,1,2,3,4,5,6,7,8]
@@ -20,7 +20,7 @@ PUSH 1 -> [1,N+2,X,X,0,1,2,4,5,6,7,8]
 ROLL   -> [X,0,1,2,X,4,5,6,7,8] (original Stack with board change)
 
 
-GetNth [N,P,0,1,2,3,4,5,6,7,8]: (N = 0 based indexing)
+GetNth [N,P,0,1,2,3,4,5,6,7,8]: (N = 0 based indexing) DONE!
 PUSH 2 -> [2,N,P,0,1,2,3,4,5,6,7,8]
 ADD    -> [N+2,P,0,1,2,3,4,5,6,7,8]
 DUP    -> [N+2,N+2,P,0,1,2,3,4,5,6,7,8]
@@ -32,7 +32,7 @@ PUSH 1 -> [1,N+2,N+2,P,0,1,2,3,4,5,6,7,8,N+2]
 SUB    -> [N+1,N+2,P,0,1,2,3,4,5,6,7,8,N+2]
 ROLL   -> [3,P,0,1,2,4,5,6,7,8,N+2] (with example N=3)
 DUP    -> [3,3,P,0,1,2,4,5,6,7,8,N+2]
-PUSH 13-> [13,3,3,P,0,1,2,4,5,6,7,8,N+2]
+PUSH 12-> [13,3,3,P,0,1,2,4,5,6,7,8,N+2]
 PUSH 1 -> [1,13,3,3,P,0,1,2,4,5,6,7,8,N+2]
 ROLL   -> [3,P,0,1,2,4,5,6,7,8,N+2,3]
 PUSH 11-> [11,3,P,0,1,2,4,5,6,7,8,N+2,3]
@@ -44,7 +44,7 @@ PUSH 11-> [11,P,0,1,2,3,4,5,6,7,8,3]
 PUSH 10-> [10,11,P,0,1,2,3,4,5,6,7,8,3]
 ROLL   -> [3,P,0,1,2,3,4,5,6,7,8] (Nth value + original Stack)
 
-PrintBoard [P,0,1,2,3,4,5,6,7,8]:
+PrintBoard [P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 10  -> [10,P,0,1,2,3,4,5,6,7,8]
 PUSH 1   -> [1,10,P,0,1,2,3,4,5,6,7,8]
 ROLL     -> [0,1,2,3,4,5,6,7,8,P]
@@ -100,9 +100,9 @@ PUSH 10
 PUSH 1
 ROLL     -> [P,0,1,2,3,4,5,6,7,8] (original stack)
 
-EqualToPlayer [V,P,0,1,2,3,4,5,6,7,8]:
+EqualToPlayer [V,P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 2 -> [2,V,P,0,1,2,3,4,5,6,7,8]
-PUSH 1 -> [1,2V,P,0,1,2,3,4,5,6,7,8]
+PUSH 1 -> [1,2,V,P,0,1,2,3,4,5,6,7,8]
 ROLL   -> [P,V,0,1,2,3,4,5,6,7,8]
 DUP    -> [P,P,V,0,1,2,3,4,5,6,7,8]
 PUSH 3 -> [3,P,P,V,0,1,2,3,4,5,6,7,8]
@@ -111,43 +111,47 @@ ROLL   -> [P,V,P,0,1,2,3,4,5,6,7,8]
 SUB    -> [V-P,P,0,1,2,3,4,5,6,7,8]
 NOT    -> [V==P,P,0,1,2,3,4,5,6,7,8]
 
-ConditionCheck [X,Y,Z,P,0,1,2,3,4,5,6,7,8]:
+ConditionCheck [X,Y,Z,P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 13       -> [13,X,Y,Z,P,0,1,2,3,4,5,6,7,8]
 PUSH 2        -> [2,13,X,Y,Z,P,0,1,2,3,4,5,6,7,8]
 ROLL          -> [Z,P,0,1,2,3,4,5,6,7,8,X,Y]
-EqualToPlayer -> [Z==P,P,0,1,2,3,4,5,6,7,8,X,Y]
-PUSH 11       -> [11,Z==P,P,0,1,2,3,4,5,6,7,8,X,Y]
-PUSH 1        -> [1,11,Z==P,P,0,1,2,3,4,5,6,7,8,X,Y]
-ROLL          -> [P,0,1,2,3,4,5,6,7,8,Z==P,X,Y]
+GetNth        -> [VZ,P,0,1,2,3,4,5,6,7,8,X,Y]
+EqualToPlayer -> [VZ==P,P,0,1,2,3,4,5,6,7,8,X,Y]
+PUSH 11       -> [11,VZ==P,P,0,1,2,3,4,5,6,7,8,X,Y]
+PUSH 1        -> [1,11,VZ==P,P,0,1,2,3,4,5,6,7,8,X,Y]
+ROLL          -> [P,0,1,2,3,4,5,6,7,8,VZ==P,X,Y]
 
 PUSH 13       -> [13,P,0,1,2,3,4,5,6,7,8,Z==P,X,Y]
 PUSH 12       -> [12,13,P,0,1,2,3,4,5,6,7,8,Z==P,X,Y]
 ROLL          -> [Y,P,0,1,2,3,4,5,6,7,8,Z==P,X]
-EqualToPlayer -> [Y==P,P,0,1,2,3,4,5,6,7,8,Z==P,X]
-PUSH 11       -> [11,Y==P,P,0,1,2,3,4,5,6,7,8,Z==P,X]
-PUSH 1        -> [1,11,Y==P,P,0,1,2,3,4,5,6,7,8,Z==P,X]
-ROLL          -> [P,0,1,2,3,4,5,6,7,8,Y==P,Z==P,X]
-
-PUSH 13       -> [13,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P,X]
-PUSH 12       -> [12,13,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P,X]
-ROLL          -> [X,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P]
-EqualToPlayer -> [X==P,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P]
-
-PUSH 13       -> [13,X==P,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P]
-PUSH 11       -> [11,13,X==P,P,0,1,2,3,4,5,6,7,8,Y==P,Z==P]
-ROLL          -> [Y==P,Z==P,X==P,P,0,1,2,3,4,5,6,7,8]
-ADD           -> [Y==P + Z==P,X==P,P,0,1,2,3,4,5,6,7,8]
-ADD           -> [Y==P + Z==P + X==P,P,0,1,2,3,4,5,6,7,8]
-PUSH 3        -> [3,Y==P + Z==P + X==P,P,0,1,2,3,4,5,6,7,8]
-SUB           -> [Y==P + Z==P + X==P - 3,P,0,1,2,3,4,5,6,7,8]
-NOT           -> [Y==P && Z==P && X==P,P,0,1,2,3,4,5,6,7,8]
+GetNth        -> [VY,P,0,1,2,3,4,5,6,7,8,Z==P,X]
+EqualToPlayer -> [VY==P,P,0,1,2,3,4,5,6,7,8,VZ==P,X]
+PUSH 11       -> [11,VY==P,P,0,1,2,3,4,5,6,7,8,VZ==P,X]
+PUSH 1        -> [1,11,VY==P,P,0,1,2,3,4,5,6,7,8,VZ==P,X]
+ROLL          -> [P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P,X]
+
+PUSH 13       -> [13,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P,X]
+PUSH 12       -> [12,13,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P,X]
+ROLL          -> [X,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P]
+GetNth        ->  [VX,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P]
+EqualToPlayer -> [VX==P,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P]
+
+PUSH 13       -> [13,VX==P,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P]
+PUSH 11       -> [11,13V,X==P,P,0,1,2,3,4,5,6,7,8,VY==P,VZ==P]
+ROLL          -> [VY==P,VZ==P,VX==P,P,0,1,2,3,4,5,6,7,8]
+ADD           -> [VY==P + VZ==P,VX==P,P,0,1,2,3,4,5,6,7,8]
+ADD           -> [VY==P + VZ==P + VX==P,P,0,1,2,3,4,5,6,7,8]
+PUSH 3        -> [3,Y==P + Z==P + VX==P,P,0,1,2,3,4,5,6,7,8]
+SUB           -> [VY==P + VZ==P + VX==P - 3,P,0,1,2,3,4,5,6,7,8]
+NOT           -> [VY==P && VZ==P && VX==P,P,0,1,2,3,4,5,6,7,8]
     -> [R,P,0,1,2,3,4,5,6,7,8] (R = 0 or 1)
 
-CheckWinner [P,0,1,2,3,4,5,6,7,8]:
-
+CheckWinner [P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 2          -> [2,P,0,1,2,3,4,5,6,7,8]
 PUSH 1          -> [1,2,P,0,1,2,3,4,5,6,7,8]
-PUSH 0          -> [0,1,2,P,0,1,2,3,4,5,6,7,8]
+PUSH 1
+PUSH 1
+SUB             -> [0,1,2,P,0,1,2,3,4,5,6,7,8]
 ConditionCheck  -> [R1,P,0,1,2,3,4,5,6,7,8]
 PUSH 11
 PUSH 1
@@ -171,7 +175,9 @@ ROLL             -> [P,0,1,2,3,4,5,6,7,8,R3,R2,R1]
 
 PUSH 6
 PUSH 3
-PUSH 0
+PUSH 1
+PUSH 1
+SUB
 ConditionCheck
 PUSH 11
 PUSH 1
@@ -196,7 +202,9 @@ ROLL             -> [P,0,1,2,3,4,5,6,7,8,R3,R2,R1,C3,C2,C1]
 
 PUSH 8
 PUSH 4
-PUSH 0
+PUSH 1
+PUSH 1
+SUB
 ConditionCheck
 PUSH 11
 PUSH 1
@@ -220,8 +228,10 @@ NOT              -> [!(D1||R3||R2||R1||C3||C2||C1||D2),P,0,1,2,3,4,5,6,7,8]
 NOT              -> [D1||R3||R2||R1||C3||C2||C1||D2,P,0,1,2,3,4,5,6,7,8]
    -> [R,P,0,1,2,3,4,5,6,7,8] (R = 0 or 1)
 
-CheckFull [P,0,1,2,3,4,5,6,7,8]:
-PUSH 0
+CheckFull [P,0,1,2,3,4,5,6,7,8]: DONE!
+PUSH 1
+PUSH 1
+SUB
 GetNth  ->  [V0,P,0,1,2,3,4,5,6,7,8]
 PUSH 45
 SUB
@@ -314,7 +324,7 @@ ADD     -> [V7==45+V6==45+V5==45+V4==45+V3==45+V2==45+V1==45+V0==45+V8==45,P,0,1
 NOT     -> [V7!=45&&V6!=45&&V5!=45&&V4!=45&&V3!=45&&V2!=45&&V1!=45&&V0!=45&&V8!=45,P,0,1,2,3,4,5,6,7,8]
    -> [R,P,0,1,2,3,4,5,6,7,8] (R = 0 or 1)
 
-PrintInput [P,0,1,2,3,4,5,6,7,8]:
+PrintInput [P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 73
 OUT_CHAR   (I)
 PUSH 110
@@ -331,7 +341,7 @@ PUSH 10
 OUT_CHAR   (Input:\n)
    -> [P,0,1,2,3,4,5,6,7,8] (original board)
 
-PrintDraw [P,0,1,2,3,4,5,6,7,8]:
+PrintDraw [P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 68
 OUT_CHAR   (D)
 PUSH 114
@@ -344,7 +354,7 @@ PUSH 10
 OUT_CHAR   (Draw\n)
    -> [P,0,1,2,3,4,5,6,7,8] (original board)
 
-PrintWin  [P,0,1,2,3,4,5,6,7,8]:
+PrintWin  [P,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 87
 OUT_CHAR   (W)
 PUSH 105
@@ -369,7 +379,7 @@ PUSH 10
 OUT_CHAR   (Win for P!\n)
    -> [P,0,1,2,3,4,5,6,7,8] (original board)
 
-SwapPlayer  [P1,0,1,2,3,4,5,6,7,8]:
+SwapPlayer  [P1,0,1,2,3,4,5,6,7,8]: DONE!
 PUSH 79  -> [79,P1,0,1,2,3,4,5,6,7,8]
 SUB      -> [P1-79,0,1,2,3,4,5,6,7,8]
 NOT      -> [P1==79,0,1,2,3,4,5,6,7,8]
@@ -378,3 +388,22 @@ MUL      -> [9 if P1==79 else 0,0,1,2,3,4,5,6,7,8]
 PUSH 79  -> [79,9 if P1==79 else 0,0,1,2,3,4,5,6,7,8]
 ADD      -> [88 if P1==79 else 79,0,1,2,3,4,5,6,7,8]
    -> [P2,0,1,2,3,4,5,6,7,8] (P1, P2 e (88,79) && P1 != P2)
+
+
+PLAY_GAME:
+INITIAL_SETUP -> [88,45,45,45,45,45,45,45,45,45]
+PRINT_BOARD
+PRINT_INPUT
+IN_CHAR       -> [V,88,45,45,45,45,45,45,45,45,45]
+SET_NTH       -> [88,45,45,45,88,45,45,45,45,45] (V = 3)
+CHECK_WIN
+
+IF 1 -> PRINT_WINNER -> SHOW_BOARD -> Done
+
+IF 0 ->
+CHECK_FULL
+IF 1 -> PRINT_DRAW -> SHOW_BOARD -> Done
+
+IF 0 ->
+SWAP_PLAYER
+PLAY_GAME
diff --git a/tictactoe_piet/input1.txt b/tictactoe_piet/input1.txt
new file mode 100644
index 0000000..09c277a
--- /dev/null
+++ b/tictactoe_piet/input1.txt
@@ -0,0 +1,7 @@
+0
+1
+2
+3
+4
+5
+6
diff --git a/tictactoe_piet/input2.txt b/tictactoe_piet/input2.txt
new file mode 100644
index 0000000..25d3210
--- /dev/null
+++ b/tictactoe_piet/input2.txt
@@ -0,0 +1,9 @@
+0
+4
+8
+1
+7
+6
+2
+5
+3
diff --git a/tictactoe_piet/tictactoe.png b/tictactoe_piet/tictactoe.png
new file mode 100644
index 0000000..9a1c6e6
Binary files /dev/null and b/tictactoe_piet/tictactoe.png differ