function?moveLeft()?{
	if?(!canMoveLeft(board))?{
		return?false;
	}?else?{
		for?(var?i?=?0;?i?<?4;?i++)?{
			for?(var?j?=?1;?j?<?4;?j++)?{
				if?(board[i][j]?!=?0)?{
					for?(var?k?=?0;?k?<?j;?k++)?{
						if?(board[i][k]?==?0?&&?noBlockHorizontal(i,?k,?j,?board))?{
							showMoveAnimation(i,?j,?i,?k);
							board[i][k]?=?board[i][j];
							board[i][j]?=?0;
							continue;
						}?else?if?(board[i][k]?==?board[i][j]?&&?noBlockHorizontal(i,?k,?j,?board))?{
							showMoveAnimation(i,?j,?i,?k);
							board[i][k]?=?2?*?board[i][j];
							board[i][j]?=?0;
							continue;
						}
					}
				}
			}

		}
		updateBoardView();
		return?true;
	}


}