diff --git a/art/SudokuGenerator-Ivan/index.js b/art/SudokuGenerator-Ivan/index.js
new file mode 100644
index 000000000..955776953
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+++ b/art/SudokuGenerator-Ivan/index.js
@@ -0,0 +1,226 @@
+// Sudoku Generator
+// Made by Ivan S.
+
+const width = 120
+const height = 120
+const difficulty = 40
+
+setDocDimensions(width, height)
+
+const shapes = createTurtle()
+
+function drawNumber(number) {
+  const t = createTurtle()
+  
+  if (number == 1) {
+    t.right(90);
+    t.forward(10);
+  } else if (number == 2) {
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+    t.right(90);
+    t.forward(5);
+    t.right(90);
+    t.forward(5);
+  } else if (number == 3) {
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+    t.left(180);
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+    t.left(90);
+    t.forward(5);
+  } else if (number == 4) {
+    t.left(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.right(180)
+    t.forward(10)
+  } else if (number == 5) {
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(5)
+  } else if (number == 6) {
+    t.forward(5)
+    t.right(180)
+    t.forward(5)
+    t.right(90)
+    t.forward(10)
+    t.right(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+  } else if (number == 7) {
+    t.forward(5)
+    t.left(90)
+    t.forward(10)
+  } else if (number == 8) {
+    t.forward(5)
+    t.left(90)
+    t.forward(10)
+    t.left(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(10)
+    t.right(180)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+  } else if (number == 9) {
+    t.left(90)
+    t.forward(5)
+    t.right(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(5)
+    t.left(90)
+    t.up()
+    t.forward(10)
+    t.down()
+    t.left(90)
+    t.forward(5)
+    t.left(90)
+    t.forward(5)
+  }
+  
+  return t
+}
+
+function createSquare() {
+  const t = createTurtle()
+
+  for (let i = 0; i < 2; i++) {
+    t.forward(width / 9)
+    t.right(90)
+    t.forward(height / 9)
+    t.right(90)
+  }
+
+  return t
+}
+function createBigSquare() {
+  const t = createTurtle()
+
+  for (let i = 0; i < 2; i++) {
+    t.forward(width / 3)
+    t.right(90)
+    t.forward(height / 3)
+    t.right(90)
+  }
+
+  return t
+}
+
+for (let i = 0; i < 9; i++) {
+  for (let j = 0; j < 9; j++) {
+    const t = createSquare()
+    t.translate([0, 0], t.lb)
+    t.translate([width / 9 * i, height / 9 * j])
+    shapes.join(t)
+  }
+}
+for (let i = 0; i < 3; i++) {
+  for (let j = 0; j < 3; j++) {
+    const t = createBigSquare()
+    t.translate([0.3, 0.3], t.lb)
+    t.translate([width / 3 * i, height / 3 * j])
+    shapes.join(t)
+  }
+}
+
+class SudokuGenerator {
+  constructor() {
+    this.rows = [];
+    this.cols = [];
+    this.nums = [];
+    this.board = [];
+
+    for (let i = 0; i < 9; i++) {
+      this.rows.push([]);
+      this.cols.push([]);
+      this.nums.push(i + 1);
+      this.board.push([]);
+    }
+
+    this.shuffle(this.nums);
+
+    for (let g = 0; g < 3; g++) {
+      const rowShuffle = this.shuffle([0, 1, 2]);
+      rowShuffle.forEach((r) => {
+        for (let c = 0; c < 3; c++) {
+          this.rows.push(g * 3 + r);
+          this.cols[g * 3 + c].push(g * 3 + r);
+        }
+      });
+    }
+
+    for (let r = 0; r < 9; r++) {
+      for (let c = 0; c < 9; c++) {
+        const num = this.nums[(3 * r + Math.floor(r / 3) + c) % 9];
+        this.board[r].push(num);
+      }
+    }
+  }
+
+  shuffle(arr) {
+    for (let i = arr.length - 1; i > 0; i--) {
+      const j = Math.floor(rand() * (i + 1));
+      [arr[i], arr[j]] = [arr[j], arr[i]];
+    }
+    return arr;
+  }
+
+  createChallenge(d) {
+    while (d != 0) {
+      let mi = randIntInRange(0, 9)
+      let bi = randIntInRange(0, 9)
+
+      try {
+        if (this.board[mi][bi] != 0) {
+          this.board[mi][bi] = 0
+          d-=1
+        }
+      } catch (e) {}
+    }
+  }
+}
+
+
+let sudoku = new SudokuGenerator();
+sudoku.createChallenge(difficulty)
+
+for (let rn = 0; rn < 9; rn++) {
+  let row = sudoku.board[rn]
+  for (let on = 0; on < 9; on++) {
+    if (row[on] == 0) {continue}
+    
+    const obj = drawNumber(row[on])
+    obj.translate([0, 0], obj.lb)
+    obj.translate([width/9 * on + 2.5, height/9 * rn + 2.5])
+    shapes.join(obj)
+  }
+}
+
+shapes.scale([0.90, -0.90])
+
+drawTurtles([shapes])
\ No newline at end of file
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