diff --git a/1.txt b/1.txt
new file mode 100644
index 0000000..99cff29
--- /dev/null
+++ b/1.txt
@@ -0,0 +1,41 @@
+#include <stdio.h>
+
+// Function to print a Sudoku puzzle
+void shuduoutput(const int a[9][9]) {
+    printf("|-------------------|\n");
+    for (int i = 0; i < 9; i++) {
+        for (int j = 0; j < 9; j++) {
+            if (j % 3 == 0)
+                printf("|");
+
+            if (j < 8) {
+                printf("%d ", a[i][j]);
+            }
+            else {
+                printf("%d", a[i][j]);
+            }
+        }
+        printf("|");
+
+        if ((i + 1) % 3 == 0)
+            printf("\n|-------------------|");
+        printf("\n");
+    }
+}
+
+int main() {
+    int a[9][9] = {
+        {5, 3, 4, 6, 7, 8, 9, 1, 2},
+        {6, 7, 2, 1, 9, 5, 3, 4, 8},
+        {1, 9, 8, 3, 4, 2, 5, 6, 7},
+        {8, 5, 9, 7, 6, 1, 4, 2, 3},
+        {4, 2, 6, 8, 5, 3, 7, 9, 1},
+        {7, 1, 3, 9, 2, 4, 8, 5, 6},
+        {9, 6, 1, 5, 3, 7, 2, 8, 4},
+        {2, 8, 7, 4, 1, 9, 6, 3, 5},
+        {3, 4, 5, 2, 8, 6, 1, 7, 9}
+    };
+
+    shuduoutput(a);
+    return 0;
+}