diff --git a/190530/hyodol/snail.cpp b/190530/hyodol/snail.cpp
new file mode 100644
index 0000000..ba72ec3
--- /dev/null
+++ b/190530/hyodol/snail.cpp
@@ -0,0 +1,54 @@
+// BOJ 1913 - 달팽이
+#include <iostream>
+#include <vector>
+using namespace std;
+
+const int dy[] = {-1, 0, 1, 0};
+const int dx[] = {0, 1, 0, -1};
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0);
+    
+    int n;
+    cin >> n;
+    vector<vector<int> > arr(n, vector<int>(n));
+    
+    int value;
+    cin >> value;
+    
+    int num = 1;
+    int dir = 0;
+    int y = n / 2;
+    int x = n / 2;
+    while (!(y == 0 && x == 0)) {
+        arr[y][x] = num++;
+        int ny = y + dy[dir % 4];
+        int nx = x + dx[dir % 4];
+        if (ny < 0 || ny >= n || nx < 0 || nx >= n) dir++;
+        if (arr[ny][nx] == 0) {
+            y = ny;
+            x = nx;
+            dir++;
+        } else {
+            dir--;
+            num--;
+        }
+    }
+    arr[y][x] = num;
+    
+    int findY = 0, findX = 0;
+    for (int i = 0; i < n; i++) {
+        for (int j = 0; j < n; j++) {
+            if (value == arr[i][j]) {
+                findY = i+1;
+                findX = j+1;
+            }
+            cout << arr[i][j] << " ";
+        }
+        cout << '\n';
+    }
+    
+    cout << findY << " " << findX << '\n';
+    return 0;
+}