diff --git a/week06-implementation/leGit-y/.gitkeep b/week06-implementation/leGit-y/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/week06-implementation/leGit-y/1966.py b/week06-implementation/leGit-y/1966.py
new file mode 100644
index 0000000..f282191
--- /dev/null
+++ b/week06-implementation/leGit-y/1966.py
@@ -0,0 +1,25 @@
+from collections import deque
+
+def printer(q,index,M):
+    cnt = 0
+
+    while q:
+        nq = q.popleft()
+        ni = index.popleft()
+        if q and nq < max(q):
+            q.append(nq)
+            index.append(ni)
+            continue
+        cnt += 1
+        if ni == M:
+            return cnt
+
+
+T = int(input())
+for _ in range(T):
+    N, M = map(int, input().split())
+
+    index = deque([i for i in range(N)])
+    priority = deque(list(map(int, input().split())))
+
+    print(printer(priority,index, M))
diff --git a/week06-implementation/leGit-y/2239.py b/week06-implementation/leGit-y/2239.py
new file mode 100644
index 0000000..12a3dd0
--- /dev/null
+++ b/week06-implementation/leGit-y/2239.py
@@ -0,0 +1,60 @@
+def column_valid(row,value):
+
+    for j in range(9):
+        if sudoku[row][j] == value:
+            return 0
+
+    return 1
+
+
+
+def row_valid(column,value):
+
+    for i in range(9):
+        if sudoku[i][column] == value:
+            return 0
+
+    return 1
+
+
+def square_valid(i,j,value):
+
+    i = i // 3 * 3
+    j = j // 3 * 3
+
+    for a in range(i, i + 3):
+        for b in range(j, j + 3):
+            if sudoku[a][b] == value:
+                return 0
+
+    return 1
+
+def dfs(cnt):
+    if cnt == len(zero):
+        return True
+
+    r, c = zero[cnt]
+    for i in range(1,10):
+        if column_valid(r,i) and row_valid(c,i) and square_valid(r,c,i):
+            sudoku[r][c] = i
+            check = dfs(cnt + 1)
+            if check:
+                return True
+            sudoku[r][c] = 0
+
+
+
+sudoku = [list(map(int, input())) for _ in range(9)]
+zero = []
+for i in range(9):
+    for j in range(9):
+        if sudoku[i][j] == 0:
+            zero.append((i,j))
+
+dfs(0)
+for i in range(9):
+    for j in range(9):
+        print(sudoku[i][j], end='')
+    print()
+
+