/*

 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/**

 * @test

 * @bug 6890943

 * @summary JVM mysteriously gives wrong result on 64-bit 1.6 VMs in hotspot mode.

 *

 * @run shell Test6890943.sh

 */

import java.util.*;

import java.io.*;

import java.util.regex.*;

public class Test6890943 {

  public static final boolean AIR = true, ROCK = false;

  public static void main(String[] args) {

    new Test6890943().go();

  }

  int r, c, f, t;

  boolean[][] grid;

  public void go() {

    Scanner s = new Scanner(System.in);

    s.useDelimiter("\\s+");

    int T = s.nextInt();

    for (t = 0 ; t < T ; t++) {

      r = s.nextInt(); c = s.nextInt(); f = s.nextInt();

      grid = new boolean[r][c];

      for (int x = 0 ; x < r ; x++) {

        String line = s.next();

        for (int y = 0 ; y < c ; y++) grid[x][y] = line.charAt(y) == '.';

      }

      int digs = solve();

      String res = digs == -1 ? "No" : "Yes " + digs;

      System.out.printf("Case #%d: %s\n", t+1, res);

    }

  }

  Map<Integer, Integer> M = new HashMap<Integer, Integer>();

  private int solve() {

    M = new HashMap<Integer, Integer>();

    M.put(calcWalkingRange(0, 0), 0);

    for (int digDown = 0 ; digDown < r ; digDown++) {

      Map<Integer, Integer> tries = new HashMap<Integer, Integer>();

      for (Map.Entry<Integer, Integer> m : M.entrySet()) {

        int q = m.getKey();

        if (depth(q) != (digDown)) continue;

        if (stuck(q)) continue;

        tries.put(q, m.getValue());

      }

      for (Map.Entry<Integer, Integer> m : tries.entrySet()) {

        int q = m.getKey();

        int fallLeftDelta = 0, fallRightDelta = 0;

        //fall left

        int fallLeft = fall(digDown, start(q));

        if (fallLeft > 0) {

          fallLeftDelta = 1;

          if (fallLeft <= f) addToM(calcWalkingRange(digDown+fallLeft, start(q)), m.getValue());

        }

        //fall right

        int fallRight = fall(digDown, end(q));

        if (fallRight > 0) {

          fallRightDelta = 1;

          if (fallRight <= f) addToM(calcWalkingRange(digDown+fallRight, end(q)), m.getValue());

        }

        for (int p = start(q) + fallLeftDelta ; p <= end(q) - fallRightDelta ; p++) {

          //goLeft

          for (int digSpot = p ; digSpot > start(q) +fallLeftDelta ; digSpot--) {

            int fallDown = 1+fall(digDown+1, digSpot);

            if (fallDown <= f) {

              if (fallDown == 1) {

                addToM(calcWalkingRange(digDown + 1, digSpot, digSpot, p), m.getValue() + Math.abs(digSpot-p)+1);

              } else {

                addToM(calcWalkingRange(digDown + fallDown, digSpot), m.getValue() + Math.abs(digSpot-p)+1);

              }

            }

          }

          //goRight

          for (int digSpot = p ; digSpot < end(q)-fallRightDelta ;digSpot++) {

            int fallDown = 1+fall(digDown+1, digSpot);

            if (fallDown <= f) {

              if (fallDown == 1) {

                addToM(calcWalkingRange(digDown + 1, digSpot, p, digSpot), m.getValue() + Math.abs(digSpot-p)+1);

              } else {

                addToM(calcWalkingRange(digDown + fallDown, digSpot), m.getValue() + Math.abs(digSpot-p)+1);

              }

            }

          }

        }

      }

    }

    int result = Integer.MAX_VALUE;

    for (Map.Entry<Integer, Integer> m : M.entrySet()) {

      if (depth(m.getKey()) == r-1) result = Math.min(m.getValue(), result);

    }

    if (result == Integer.MAX_VALUE) return -1;

    return result;

  }

  private void addToM(int q, int i) {

    Integer original = M.get(q);

    if ( original == null ) M.put(q, i);

    else M.put(q, Math.min(original, i));

  }

  private int fall(int row, int column) {

    int res = 0;

    for ( int p = row+1 ; p < r ; p++) {

      if (grid[p][column] == AIR) res++;

      else break;

    }

    return res;

  }

  private boolean stuck(int q) {

    return start(q) == end(q);

  }

  private int depth(int q) {

    return q % 50;

  }

  private int start(int q) {

    return q / (50*50);

  }

  private int end(int q) {

    return (q / 50) % 50;

  }

  private int calcWalkingRange(int depth, int pos) {

    return calcWalkingRange(depth, pos, Integer.MAX_VALUE, Integer.MIN_VALUE);

  }

  private int calcWalkingRange(int depth, int pos, int airOverrideStart, int airOverrideEnd) {

    int left = pos, right = pos;

    if (depth >= r) return (c-1)*50 + depth;

    while (left > 0) {

      if (grid[depth][left-1] == ROCK && (left-1 < airOverrideStart || left-1 > airOverrideEnd)) break;

      if (depth < r-1 && grid[depth+1][left-1] == AIR) {

        left--;

        break;

      }

      left--;

    }

    while (right < c-1) {

      if (grid[depth][right+1] == ROCK && (right+1 < airOverrideStart || right+1 > airOverrideEnd)) break;

      if (depth < r-1 && grid[depth+1][right+1] == AIR) {

        right++;

        break;

      }

      right++;

    }

    return left *50*50 + right*50 + depth;

  }

}