diff --git a/f.1.c b/f.1.c
new file mode 100644
index 0000000..ff5df18
--- /dev/null
+++ b/f.1.c
@@ -0,0 +1,26 @@
+#include<stdio.h>
+#include<time.h>
+#include<stdlib.h>
+int main()
+{
+	int board[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}};
+printf("|-----------|\n|");
+for(int i=0;i<9;i++){
+ for(int j=0;j<9;j++){
+ printf("%d",board[i][j]);
+ if((i+1)%1==0&&(j+1)%3==0) printf("|");
+ if((i+1)%3==0&&(j+1)%9==0) printf("\n|-----------|");
+ if((j+1)==9&&i!=8) printf("\n|");
+}
+}
+}
+
+