diff --git a/HDOJ/5916.cpp b/HDOJ/5916.cpp
new file mode 100644
index 0000000..064c3c6
--- /dev/null
+++ b/HDOJ/5916.cpp
@@ -0,0 +1,34 @@
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+using namespace std;
+
+int main()
+{
+    int t;
+    scanf("%d",&t);
+    for(int cc=1;cc<=t;cc++)
+    {
+        int n,k;
+        scanf("%d %d",&n,&k);
+
+        if(n==2)
+        {
+            printf("Case #%d: 1 2\n",cc);
+            continue;
+        }
+        if(n==3)
+        {
+            printf("Case #%d: 1 2 3\n",cc);
+            continue;
+        }
+
+        printf("Case #%d: ",cc);
+        printf("%d",2*k);
+        for(int p=k;p>=1;--p) printf(" %d",p);
+        for(int p=k+1;p<=2*k-1;++p) printf(" %d",p);
+        for(int p=2*k+1;p<=n;++p) printf(" %d",p);
+        printf("\n");
+    }
+    return 0;
+}