public static boolean canPut(int[]tile, int x, int y, int[][][] board) {
		boolean ans = true;
		if(x>board.length | y>board.length)
		return false;
		else
		{
			if(board[x][y]==null)
			{
				if((x==0 && west(tile)!=0) || (y==0 && north(tile)!=0) || (x==board.length-1 && east(tile)!=0) || (y==board.length-1 && south(tile)!=0))
				ans=false;
				else
				{
					if(x==0)
					{
						if((board[y-1][x]!=null && (north(tile)!=south(board[y-1][x]))) || (board[y][x+1]!=null && (east(tile)!=west(board[y][x+1]))) || (board[y+1][x]!=null && south(tile)!=north(board[y+1][x])))
						ans=false;
					}
					else if(x==board.length-1)
					{
						if((board[y-1][x]!=null && (north(tile)!=south(board[y-1][x]))) || (board[y][x-1]!=null && (west(tile)!=east(board[y][x-1]))) || (board[y+1][x]!=null && south(tile)!=north(board[y+1][x])))
						ans=false;
					}
					else if(y==0)
					{
						if((board[y][x-1]!=null && (west(tile)!=east(board[y][x-1]))) || (board[y][x+1]!=null && (east(tile)!=west(board[y][x+1]))) || (board[y+1][x]!=null && south(tile)!=north(board[y+1][x])))
						ans=false;
					}
					else if(y==board.length-1)
					{
						if((board[y-1][x]!=null && (north(tile)!=south(board[y-1][x]))) || (board[y][x+1]!=null && (east(tile)!=west(board[y][x+1]))) || (board[y][x-1]!=null && west(tile)!=east(board[y][x-1])))
						ans=false;
					}
					else if(x>0 && x<tile.length-1 && y>0 && y<tile.length-1)
					{
						if((board[y-1][x]!=null && (north(tile)!=south(board[y-1][x]))) || (board[y][x+1]!=null && (east(tile)!=west(board[y][x+1]))) || (board[y][x-1]!=null && west(tile)!=east(board[y][x-1])) || (board[y+1][x]!=null && south(tile)!=north(board[y+1][x])))
						ans=false;
					}
				}
			}
			else ans=false;
		}

		return ans;
	}