#include <stdio.h>
#include <limits.h>

int n, m, p;
int board[7][7][7];
int height[7][7];

int win_black, move_black;
int win_white, move_white;

int place(int x, int y, int player)
{
  board[x][y][height[x][y]] = player;
  height[x][y]++;
}

int inner(int x, int y, int z)
{
  if (x < 0 || y < 0 || z < 0 || x >= n || y >= n || z >= n) { return 0; }
  return 1;
}

int check(int x, int y, int z)
{
  int dx, dy, dz, i, found;
  for (dz = 0; dz <= 1; dz++) {
    for (dy = ((dz==0)?0:-1); dy <= 1; dy++) {
      for (dx = ((dz==0&&dy==0)?0:-1); dx <= 1; dx++) {
        if (dx == 0 && dy == 0 && dz == 0) { continue; }
        if (board[x][y][z] <= -1) { continue; }
        if (!inner(x+dx*(m-1), y+dy*(m-1), z+dz*(m-1))) { continue; }
        found = 1;
        for (i = 1; i < m; i++) {
          if (board[x+dx*i][y+dy*i][z+dz*i] != board[x][y][z]) {
            found = 0; break;
          }
        }
        if (found) { return board[x][y][z]; }
      }
    }
  }
  return -1;
}

int check_all()
{
  int x, y, z, result;
  for (x = 0; x < n; x++) {
    for (y = 0; y < n; y++) {
      for (z = 0; z < n; z++) {
        if ((result = check(x, y, z)) >= 0) { return result; }
      }
    }
  }
  return -1;
}

int main()
{
  int i, j, k;
  int move, x, y, z, result;

  while (1) {
    scanf("%d%d%d", &n, &m, &p); if (m == 0 && n == 0 && p == 0) { break; }
    for (x = 0; x < 7; x++) {
      for (y = 0; y < 7; y++) {
        for (z = 0; z < 7; z++) {
          board[x][y][z] = -1;
        }
        height[x][y] = 0;
      }
    }

    win_black = win_white = 0;
    move_black = move_white = INT_MAX;
    for (move = 0; move < p; move++) {
      scanf("%d%d", &x, &y);
      place(x-1, y-1, move%2);
      if (!win_black && !win_white && (result = check_all()) >= 0) {
        if (result == 0) {
          win_black = 1; if (move_black > move) { move_black = move+1; }
        }
        if (result == 1) {
          win_white = 1; if (move_white > move) { move_white = move+1; }
        }
      }
    }

    if ((win_black && win_white) || (!win_black && !win_white)) {
      printf("Draw\n");
    }
    else if (win_black) { printf("Black %d\n", move_black); }
    else if (win_white) { printf("White %d\n", move_white); }
  }
  return 0;
}